Add 2D endless runner game with pickups and coyote time
- Platformer endless runner: fixed player x, world scrolls left - Logarithmic speed curve: initial + factor * ln(1 + t / time_scale) - Enemies stomped from above; side/bottom contact kills player - Procedural level generation with StdRng seeded from SystemTime - Object pooling via Vec::retain + frontier-based generator - Coyote time: grace window after leaving platform edge - Data-driven pickup system with trait-based effects (ActiveEffect) - Invulnerability, JumpBoost, ScoreMultiplier — extend via config - Score accumulates with per-effect multiplier; stomp bonuses scaled - Game over screen with score, best score, restart prompt - HUD: score, speed bar, active effect timer bars Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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||||||
|
"seq-macro",
|
||||||
|
"thiserror",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "raylib-sys"
|
||||||
|
version = "5.5.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3ce5adc950b042db67f1f78f24f7e76563652ce24db032afe9ca9e534d8b7a13"
|
||||||
|
dependencies = [
|
||||||
|
"bindgen",
|
||||||
|
"cc",
|
||||||
|
"cmake",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "regex"
|
||||||
|
version = "1.12.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
|
||||||
|
dependencies = [
|
||||||
|
"aho-corasick",
|
||||||
|
"memchr",
|
||||||
|
"regex-automata",
|
||||||
|
"regex-syntax",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "regex-automata"
|
||||||
|
version = "0.4.14"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "6e1dd4122fc1595e8162618945476892eefca7b88c52820e74af6262213cae8f"
|
||||||
|
dependencies = [
|
||||||
|
"aho-corasick",
|
||||||
|
"memchr",
|
||||||
|
"regex-syntax",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "regex-syntax"
|
||||||
|
version = "0.8.10"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rustc-hash"
|
||||||
|
version = "1.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "semver"
|
||||||
|
version = "1.0.27"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "seq-macro"
|
||||||
|
version = "0.3.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1bc711410fbe7399f390ca1c3b60ad0f53f80e95c5eb935e52268a0e2cd49acc"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "serde"
|
||||||
|
version = "1.0.228"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
|
||||||
|
dependencies = [
|
||||||
|
"serde_core",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "serde_core"
|
||||||
|
version = "1.0.228"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
|
||||||
|
dependencies = [
|
||||||
|
"serde_derive",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "serde_derive"
|
||||||
|
version = "1.0.228"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "serde_json"
|
||||||
|
version = "1.0.149"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
|
||||||
|
dependencies = [
|
||||||
|
"itoa",
|
||||||
|
"memchr",
|
||||||
|
"serde",
|
||||||
|
"serde_core",
|
||||||
|
"zmij",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "shlex"
|
||||||
|
version = "1.3.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "2.0.117"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror"
|
||||||
|
version = "1.0.69"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
|
||||||
|
dependencies = [
|
||||||
|
"thiserror-impl",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror-impl"
|
||||||
|
version = "1.0.69"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.24"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-xid"
|
||||||
|
version = "0.2.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wasip2"
|
||||||
|
version = "1.0.2+wasi-0.2.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9517f9239f02c069db75e65f174b3da828fe5f5b945c4dd26bd25d89c03ebcf5"
|
||||||
|
dependencies = [
|
||||||
|
"wit-bindgen",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wasip3"
|
||||||
|
version = "0.4.0+wasi-0.3.0-rc-2026-01-06"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5"
|
||||||
|
dependencies = [
|
||||||
|
"wit-bindgen",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wasm-encoder"
|
||||||
|
version = "0.244.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
|
||||||
|
dependencies = [
|
||||||
|
"leb128fmt",
|
||||||
|
"wasmparser",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wasm-metadata"
|
||||||
|
version = "0.244.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"indexmap",
|
||||||
|
"wasm-encoder",
|
||||||
|
"wasmparser",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wasmparser"
|
||||||
|
version = "0.244.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
|
||||||
|
dependencies = [
|
||||||
|
"bitflags",
|
||||||
|
"hashbrown 0.15.5",
|
||||||
|
"indexmap",
|
||||||
|
"semver",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-link"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wit-bindgen"
|
||||||
|
version = "0.51.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
|
||||||
|
dependencies = [
|
||||||
|
"wit-bindgen-rust-macro",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wit-bindgen-core"
|
||||||
|
version = "0.51.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"heck",
|
||||||
|
"wit-parser",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wit-bindgen-rust"
|
||||||
|
version = "0.51.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"heck",
|
||||||
|
"indexmap",
|
||||||
|
"prettyplease",
|
||||||
|
"syn",
|
||||||
|
"wasm-metadata",
|
||||||
|
"wit-bindgen-core",
|
||||||
|
"wit-component",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wit-bindgen-rust-macro"
|
||||||
|
version = "0.51.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"prettyplease",
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
"wit-bindgen-core",
|
||||||
|
"wit-bindgen-rust",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wit-component"
|
||||||
|
version = "0.244.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"bitflags",
|
||||||
|
"indexmap",
|
||||||
|
"log",
|
||||||
|
"serde",
|
||||||
|
"serde_derive",
|
||||||
|
"serde_json",
|
||||||
|
"wasm-encoder",
|
||||||
|
"wasm-metadata",
|
||||||
|
"wasmparser",
|
||||||
|
"wit-parser",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wit-parser"
|
||||||
|
version = "0.244.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"id-arena",
|
||||||
|
"indexmap",
|
||||||
|
"log",
|
||||||
|
"semver",
|
||||||
|
"serde",
|
||||||
|
"serde_derive",
|
||||||
|
"serde_json",
|
||||||
|
"unicode-xid",
|
||||||
|
"wasmparser",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zmij"
|
||||||
|
version = "1.0.21"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
|
||||||
8
Cargo.toml
Normal file
8
Cargo.toml
Normal file
@@ -0,0 +1,8 @@
|
|||||||
|
[package]
|
||||||
|
name = "endless_runner"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2024"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
rand = "0.10.0"
|
||||||
|
raylib = { version = "5.5.1", features = ["wayland"] }
|
||||||
129
src/config.rs
Normal file
129
src/config.rs
Normal file
@@ -0,0 +1,129 @@
|
|||||||
|
use crate::pickup::{PickupDef, PickupEffectType};
|
||||||
|
|
||||||
|
/// All game parameters in one place — change here to tune the game.
|
||||||
|
/// Pickup types are also registered here; add a new `PickupDef` entry to extend.
|
||||||
|
#[derive(Clone)]
|
||||||
|
pub struct Config {
|
||||||
|
pub screen_width: i32,
|
||||||
|
pub screen_height: i32,
|
||||||
|
|
||||||
|
// Player
|
||||||
|
pub player_x: f32,
|
||||||
|
pub player_width: f32,
|
||||||
|
pub player_height: f32,
|
||||||
|
pub gravity: f32,
|
||||||
|
pub jump_velocity: f32,
|
||||||
|
pub stomp_bounce_velocity: f32,
|
||||||
|
/// Grace window (seconds) after leaving a platform where jumping is still allowed.
|
||||||
|
pub coyote_time: f32,
|
||||||
|
|
||||||
|
// Speed curve: speed(t) = initial + factor * ln(1 + t / time_scale)
|
||||||
|
pub initial_speed: f32,
|
||||||
|
pub speed_log_factor: f32,
|
||||||
|
pub speed_time_scale: f32,
|
||||||
|
|
||||||
|
// Platforms
|
||||||
|
pub platform_height: f32,
|
||||||
|
pub platform_min_width: f32,
|
||||||
|
pub platform_max_width: f32,
|
||||||
|
pub platform_gap_min: f32,
|
||||||
|
pub platform_gap_max: f32,
|
||||||
|
pub platform_y_min: f32,
|
||||||
|
pub platform_y_max: f32,
|
||||||
|
pub platform_y_max_delta: f32,
|
||||||
|
|
||||||
|
// Starting platform
|
||||||
|
pub start_platform_y: f32,
|
||||||
|
|
||||||
|
// Enemies
|
||||||
|
pub enemy_width: f32,
|
||||||
|
pub enemy_height: f32,
|
||||||
|
pub enemy_spawn_chance: f32,
|
||||||
|
pub enemy_min_platform_width: f32,
|
||||||
|
|
||||||
|
// Pickups
|
||||||
|
pub pickup_size: f32,
|
||||||
|
pub pickup_spawn_chance: f32,
|
||||||
|
pub pickup_hover_gap: f32, // pixels above platform surface
|
||||||
|
pub pickup_defs: Vec<PickupDef>,
|
||||||
|
|
||||||
|
// Scoring
|
||||||
|
pub enemy_stomp_bonus: f32,
|
||||||
|
pub score_per_second: f32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Config {
|
||||||
|
/// Current scroll speed given elapsed game time.
|
||||||
|
pub fn scroll_speed(&self, elapsed: f32) -> f32 {
|
||||||
|
self.initial_speed
|
||||||
|
+ self.speed_log_factor * (1.0 + elapsed / self.speed_time_scale).ln()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for Config {
|
||||||
|
fn default() -> Self {
|
||||||
|
let screen_height = 720;
|
||||||
|
let start_platform_y = screen_height as f32 - 110.0;
|
||||||
|
Self {
|
||||||
|
screen_width: 1280,
|
||||||
|
screen_height,
|
||||||
|
|
||||||
|
player_x: 200.0,
|
||||||
|
player_width: 38.0,
|
||||||
|
player_height: 48.0,
|
||||||
|
gravity: 1900.0,
|
||||||
|
jump_velocity: -800.0,
|
||||||
|
stomp_bounce_velocity: -550.0,
|
||||||
|
coyote_time: 0.12,
|
||||||
|
|
||||||
|
initial_speed: 280.0,
|
||||||
|
speed_log_factor: 150.0,
|
||||||
|
speed_time_scale: 30.0,
|
||||||
|
|
||||||
|
platform_height: 20.0,
|
||||||
|
platform_min_width: 130.0,
|
||||||
|
platform_max_width: 360.0,
|
||||||
|
platform_gap_min: 60.0,
|
||||||
|
platform_gap_max: 210.0,
|
||||||
|
platform_y_min: 260.0,
|
||||||
|
platform_y_max: start_platform_y,
|
||||||
|
platform_y_max_delta: 130.0,
|
||||||
|
|
||||||
|
start_platform_y,
|
||||||
|
|
||||||
|
enemy_width: 40.0,
|
||||||
|
enemy_height: 40.0,
|
||||||
|
enemy_spawn_chance: 0.35,
|
||||||
|
enemy_min_platform_width: 120.0,
|
||||||
|
|
||||||
|
pickup_size: 28.0,
|
||||||
|
pickup_spawn_chance: 0.28,
|
||||||
|
pickup_hover_gap: 12.0,
|
||||||
|
|
||||||
|
// ── Register new pickup types here ────────────────────────────────
|
||||||
|
pickup_defs: vec![
|
||||||
|
PickupDef {
|
||||||
|
label: "INVINCIBLE",
|
||||||
|
color: (255, 200, 50),
|
||||||
|
duration: 5.0,
|
||||||
|
effect: PickupEffectType::Invulnerability,
|
||||||
|
},
|
||||||
|
PickupDef {
|
||||||
|
label: "JUMP BOOST",
|
||||||
|
color: (80, 180, 255),
|
||||||
|
duration: 6.0,
|
||||||
|
effect: PickupEffectType::JumpBoost { factor: 1.45 },
|
||||||
|
},
|
||||||
|
PickupDef {
|
||||||
|
label: "2X SCORE",
|
||||||
|
color: (180, 80, 255),
|
||||||
|
duration: 8.0,
|
||||||
|
effect: PickupEffectType::ScoreMultiplier { factor: 2.0 },
|
||||||
|
},
|
||||||
|
],
|
||||||
|
|
||||||
|
enemy_stomp_bonus: 100.0,
|
||||||
|
score_per_second: 80.0,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
124
src/effects.rs
Normal file
124
src/effects.rs
Normal file
@@ -0,0 +1,124 @@
|
|||||||
|
use raylib::prelude::Color;
|
||||||
|
|
||||||
|
/// Behaviour that an active pickup effect applies each frame.
|
||||||
|
/// Add a new impl here to introduce a new effect type — no other
|
||||||
|
/// code changes required beyond registering it in `pickup.rs`.
|
||||||
|
pub trait ActiveEffect {
|
||||||
|
/// Tick the effect. Returns `false` when the effect has expired.
|
||||||
|
fn update(&mut self, dt: f32) -> bool;
|
||||||
|
|
||||||
|
fn label(&self) -> &'static str;
|
||||||
|
fn tint(&self) -> Color;
|
||||||
|
|
||||||
|
/// Fraction of lifetime remaining (1.0 = just collected, 0.0 = expired).
|
||||||
|
fn progress(&self) -> f32;
|
||||||
|
|
||||||
|
// --- per-system queries (default = no-op) ---
|
||||||
|
fn is_invulnerable(&self) -> bool {
|
||||||
|
false
|
||||||
|
}
|
||||||
|
fn jump_multiplier(&self) -> f32 {
|
||||||
|
1.0
|
||||||
|
}
|
||||||
|
fn score_multiplier(&self) -> f32 {
|
||||||
|
1.0
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ── Concrete effects ──────────────────────────────────────────────────────────
|
||||||
|
|
||||||
|
pub struct InvulnerabilityEffect {
|
||||||
|
timer: f32,
|
||||||
|
total: f32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl InvulnerabilityEffect {
|
||||||
|
pub fn new(duration: f32) -> Self {
|
||||||
|
Self { timer: duration, total: duration }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl ActiveEffect for InvulnerabilityEffect {
|
||||||
|
fn update(&mut self, dt: f32) -> bool {
|
||||||
|
self.timer -= dt;
|
||||||
|
self.timer > 0.0
|
||||||
|
}
|
||||||
|
fn label(&self) -> &'static str {
|
||||||
|
"INVINCIBLE"
|
||||||
|
}
|
||||||
|
fn tint(&self) -> Color {
|
||||||
|
Color::new(255, 200, 50, 255)
|
||||||
|
}
|
||||||
|
fn progress(&self) -> f32 {
|
||||||
|
(self.timer / self.total).max(0.0)
|
||||||
|
}
|
||||||
|
fn is_invulnerable(&self) -> bool {
|
||||||
|
true
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ─────────────────────────────────────────────────────────────────────────────
|
||||||
|
|
||||||
|
pub struct JumpBoostEffect {
|
||||||
|
timer: f32,
|
||||||
|
total: f32,
|
||||||
|
factor: f32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl JumpBoostEffect {
|
||||||
|
pub fn new(duration: f32, factor: f32) -> Self {
|
||||||
|
Self { timer: duration, total: duration, factor }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl ActiveEffect for JumpBoostEffect {
|
||||||
|
fn update(&mut self, dt: f32) -> bool {
|
||||||
|
self.timer -= dt;
|
||||||
|
self.timer > 0.0
|
||||||
|
}
|
||||||
|
fn label(&self) -> &'static str {
|
||||||
|
"JUMP BOOST"
|
||||||
|
}
|
||||||
|
fn tint(&self) -> Color {
|
||||||
|
Color::new(80, 180, 255, 255)
|
||||||
|
}
|
||||||
|
fn progress(&self) -> f32 {
|
||||||
|
(self.timer / self.total).max(0.0)
|
||||||
|
}
|
||||||
|
fn jump_multiplier(&self) -> f32 {
|
||||||
|
self.factor
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ─────────────────────────────────────────────────────────────────────────────
|
||||||
|
|
||||||
|
pub struct ScoreMultiplierEffect {
|
||||||
|
timer: f32,
|
||||||
|
total: f32,
|
||||||
|
factor: f32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl ScoreMultiplierEffect {
|
||||||
|
pub fn new(duration: f32, factor: f32) -> Self {
|
||||||
|
Self { timer: duration, total: duration, factor }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl ActiveEffect for ScoreMultiplierEffect {
|
||||||
|
fn update(&mut self, dt: f32) -> bool {
|
||||||
|
self.timer -= dt;
|
||||||
|
self.timer > 0.0
|
||||||
|
}
|
||||||
|
fn label(&self) -> &'static str {
|
||||||
|
"2X SCORE"
|
||||||
|
}
|
||||||
|
fn tint(&self) -> Color {
|
||||||
|
Color::new(180, 80, 255, 255)
|
||||||
|
}
|
||||||
|
fn progress(&self) -> f32 {
|
||||||
|
(self.timer / self.total).max(0.0)
|
||||||
|
}
|
||||||
|
fn score_multiplier(&self) -> f32 {
|
||||||
|
self.factor
|
||||||
|
}
|
||||||
|
}
|
||||||
34
src/enemy.rs
Normal file
34
src/enemy.rs
Normal file
@@ -0,0 +1,34 @@
|
|||||||
|
#[derive(Clone)]
|
||||||
|
pub struct Enemy {
|
||||||
|
pub x: f32,
|
||||||
|
pub y: f32,
|
||||||
|
pub width: f32,
|
||||||
|
pub height: f32,
|
||||||
|
pub alive: bool,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Enemy {
|
||||||
|
pub fn new(x: f32, y: f32, width: f32, height: f32) -> Self {
|
||||||
|
Self { x, y, width, height, alive: true }
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn scroll(&mut self, speed: f32, dt: f32) {
|
||||||
|
self.x -= speed * dt;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn is_off_screen(&self) -> bool {
|
||||||
|
self.x + self.width < 0.0
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn top(&self) -> f32 {
|
||||||
|
self.y
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn bottom(&self) -> f32 {
|
||||||
|
self.y + self.height
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn right(&self) -> f32 {
|
||||||
|
self.x + self.width
|
||||||
|
}
|
||||||
|
}
|
||||||
143
src/game.rs
Normal file
143
src/game.rs
Normal file
@@ -0,0 +1,143 @@
|
|||||||
|
use raylib::prelude::*;
|
||||||
|
|
||||||
|
use crate::{config::Config, world::World};
|
||||||
|
|
||||||
|
pub enum GameState {
|
||||||
|
Playing,
|
||||||
|
GameOver,
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct Game {
|
||||||
|
cfg: Config,
|
||||||
|
state: GameState,
|
||||||
|
pub world: World,
|
||||||
|
high_score: u64,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Game {
|
||||||
|
pub fn new(cfg: Config) -> Self {
|
||||||
|
let world = World::new(&cfg);
|
||||||
|
Self {
|
||||||
|
state: GameState::Playing,
|
||||||
|
world,
|
||||||
|
high_score: 0,
|
||||||
|
cfg,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn update(&mut self, rl: &RaylibHandle, dt: f32) {
|
||||||
|
match self.state {
|
||||||
|
GameState::Playing => {
|
||||||
|
let jump = rl.is_key_pressed(KeyboardKey::KEY_SPACE)
|
||||||
|
|| rl.is_key_pressed(KeyboardKey::KEY_UP)
|
||||||
|
|| rl.is_key_pressed(KeyboardKey::KEY_W);
|
||||||
|
|
||||||
|
self.world.update(dt, jump, &self.cfg);
|
||||||
|
|
||||||
|
if !self.world.player.alive {
|
||||||
|
if self.world.score > self.high_score {
|
||||||
|
self.high_score = self.world.score;
|
||||||
|
}
|
||||||
|
self.state = GameState::GameOver;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
GameState::GameOver => {
|
||||||
|
if rl.is_key_pressed(KeyboardKey::KEY_R)
|
||||||
|
|| rl.is_key_pressed(KeyboardKey::KEY_SPACE)
|
||||||
|
|| rl.is_key_pressed(KeyboardKey::KEY_ENTER)
|
||||||
|
{
|
||||||
|
self.world = World::new(&self.cfg);
|
||||||
|
self.state = GameState::Playing;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn render(&self, d: &mut RaylibDrawHandle) {
|
||||||
|
self.world.render(d, &self.cfg);
|
||||||
|
self.draw_hud(d);
|
||||||
|
|
||||||
|
if let GameState::GameOver = self.state {
|
||||||
|
self.draw_game_over(d);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn draw_hud(&self, d: &mut RaylibDrawHandle) {
|
||||||
|
let score_text = format!("Score {:>6}", self.world.score);
|
||||||
|
d.draw_text(&score_text, 16, 14, 28, Color::WHITE);
|
||||||
|
|
||||||
|
let speed = self.cfg.scroll_speed(self.world.elapsed);
|
||||||
|
let speed_text = format!("Speed {:.0} px/s", speed);
|
||||||
|
let sw = self.cfg.screen_width;
|
||||||
|
let tw = d.measure_text(&speed_text, 22);
|
||||||
|
d.draw_text(&speed_text, sw - tw - 16, 16, 22, Color::new(160, 200, 255, 255));
|
||||||
|
|
||||||
|
// Speed bar
|
||||||
|
let bar_w = 160;
|
||||||
|
let bar_h = 8;
|
||||||
|
let bar_x = sw - bar_w - 16;
|
||||||
|
let bar_y = 44;
|
||||||
|
let max_speed = self.cfg.initial_speed + self.cfg.speed_log_factor * 3.0;
|
||||||
|
let fill = ((speed / max_speed).min(1.0) * bar_w as f32) as i32;
|
||||||
|
d.draw_rectangle(bar_x, bar_y, bar_w, bar_h, Color::new(50, 50, 80, 255));
|
||||||
|
d.draw_rectangle(bar_x, bar_y, fill, bar_h, Color::new(80, 180, 255, 255));
|
||||||
|
|
||||||
|
// Active effect timer bars
|
||||||
|
self.world.draw_active_effects_hud(d, &self.cfg);
|
||||||
|
}
|
||||||
|
|
||||||
|
fn draw_game_over(&self, d: &mut RaylibDrawHandle) {
|
||||||
|
let sw = self.cfg.screen_width;
|
||||||
|
let sh = self.cfg.screen_height;
|
||||||
|
|
||||||
|
// Dim overlay
|
||||||
|
d.draw_rectangle(0, 0, sw, sh, Color::new(0, 0, 0, 160));
|
||||||
|
|
||||||
|
// Panel
|
||||||
|
let panel_w = 520;
|
||||||
|
let panel_h = 340;
|
||||||
|
let panel_x = (sw - panel_w) / 2;
|
||||||
|
let panel_y = (sh - panel_h) / 2;
|
||||||
|
d.draw_rectangle(panel_x, panel_y, panel_w, panel_h, Color::new(20, 22, 44, 240));
|
||||||
|
d.draw_rectangle_lines(panel_x, panel_y, panel_w, panel_h, Color::new(80, 100, 200, 255));
|
||||||
|
|
||||||
|
// Title
|
||||||
|
let title = "GAME OVER";
|
||||||
|
let ts = 56;
|
||||||
|
let tw = d.measure_text(title, ts);
|
||||||
|
d.draw_text(title, (sw - tw) / 2, panel_y + 30, ts, Color::new(220, 60, 60, 255));
|
||||||
|
|
||||||
|
// Score
|
||||||
|
let score_str = format!("Score: {}", self.world.score);
|
||||||
|
let ss = 32;
|
||||||
|
let sw2 = d.measure_text(&score_str, ss);
|
||||||
|
d.draw_text(&score_str, (sw - sw2) / 2, panel_y + 120, ss, Color::WHITE);
|
||||||
|
|
||||||
|
// High score
|
||||||
|
let hi_str = format!("Best: {}", self.high_score);
|
||||||
|
let hs = 28;
|
||||||
|
let hw = d.measure_text(&hi_str, hs);
|
||||||
|
d.draw_text(&hi_str, (sw - hw) / 2, panel_y + 170, hs, Color::GOLD);
|
||||||
|
|
||||||
|
// Separator
|
||||||
|
d.draw_line(
|
||||||
|
panel_x + 40,
|
||||||
|
panel_y + 215,
|
||||||
|
panel_x + panel_w - 40,
|
||||||
|
panel_y + 215,
|
||||||
|
Color::new(60, 70, 130, 255),
|
||||||
|
);
|
||||||
|
|
||||||
|
// Restart prompt
|
||||||
|
let prompt = "SPACE / R / ENTER to restart";
|
||||||
|
let ps = 22;
|
||||||
|
let pw = d.measure_text(prompt, ps);
|
||||||
|
// Blinking effect based on elapsed time (we don't have time here, so just static)
|
||||||
|
d.draw_text(prompt, (sw - pw) / 2, panel_y + 240, ps, Color::new(160, 200, 255, 255));
|
||||||
|
|
||||||
|
let ctrl = "SPACE / W / UP to jump";
|
||||||
|
let cw = d.measure_text(ctrl, 18);
|
||||||
|
d.draw_text(ctrl, (sw - cw) / 2, panel_y + 285, 18, Color::new(100, 130, 180, 255));
|
||||||
|
}
|
||||||
|
}
|
||||||
109
src/level_gen.rs
Normal file
109
src/level_gen.rs
Normal file
@@ -0,0 +1,109 @@
|
|||||||
|
use rand::{RngExt, SeedableRng, rngs::StdRng};
|
||||||
|
use std::time::{SystemTime, UNIX_EPOCH};
|
||||||
|
|
||||||
|
use crate::{config::Config, enemy::Enemy, pickup::Pickup, platform::Platform};
|
||||||
|
|
||||||
|
pub struct LevelGenerator {
|
||||||
|
rng: StdRng,
|
||||||
|
/// Screen-space X of the right edge of the last generated platform.
|
||||||
|
frontier_x: f32,
|
||||||
|
/// Y of the last generated platform (for smooth height transitions).
|
||||||
|
frontier_y: f32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl LevelGenerator {
|
||||||
|
pub fn new(cfg: &Config) -> Self {
|
||||||
|
Self {
|
||||||
|
rng: StdRng::seed_from_u64(
|
||||||
|
SystemTime::now()
|
||||||
|
.duration_since(UNIX_EPOCH)
|
||||||
|
.map(|d| d.as_nanos() as u64)
|
||||||
|
.unwrap_or(0xDEAD_BEEF),
|
||||||
|
),
|
||||||
|
frontier_x: cfg.screen_width as f32 * 0.65,
|
||||||
|
frontier_y: cfg.start_platform_y,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Move frontier left with the world scroll so new platforms land
|
||||||
|
/// at the correct screen position.
|
||||||
|
pub fn scroll(&mut self, speed: f32, dt: f32) {
|
||||||
|
self.frontier_x -= speed * dt;
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Generate platforms until the frontier is at least one screen-width
|
||||||
|
/// past the right edge.
|
||||||
|
pub fn generate_if_needed(
|
||||||
|
&mut self,
|
||||||
|
cfg: &Config,
|
||||||
|
platforms: &mut Vec<Platform>,
|
||||||
|
enemies: &mut Vec<Enemy>,
|
||||||
|
pickups: &mut Vec<Pickup>,
|
||||||
|
) {
|
||||||
|
let target = cfg.screen_width as f32 + 300.0;
|
||||||
|
while self.frontier_x < target {
|
||||||
|
self.place_next(cfg, platforms, enemies, pickups);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn place_next(
|
||||||
|
&mut self,
|
||||||
|
cfg: &Config,
|
||||||
|
platforms: &mut Vec<Platform>,
|
||||||
|
enemies: &mut Vec<Enemy>,
|
||||||
|
pickups: &mut Vec<Pickup>,
|
||||||
|
) {
|
||||||
|
let gap: f32 = self.rng.random_range(cfg.platform_gap_min..cfg.platform_gap_max);
|
||||||
|
let width: f32 = self.rng.random_range(cfg.platform_min_width..cfg.platform_max_width);
|
||||||
|
|
||||||
|
let dy: f32 = self.rng.random_range(-cfg.platform_y_max_delta..cfg.platform_y_max_delta);
|
||||||
|
let y = (self.frontier_y + dy)
|
||||||
|
.max(cfg.platform_y_min)
|
||||||
|
.min(cfg.platform_y_max);
|
||||||
|
|
||||||
|
let x = self.frontier_x + gap;
|
||||||
|
|
||||||
|
platforms.push(Platform::new(x, y, width, cfg.platform_height));
|
||||||
|
|
||||||
|
let mut has_enemy = false;
|
||||||
|
|
||||||
|
if width >= cfg.enemy_min_platform_width
|
||||||
|
&& self.rng.random::<f32>() < cfg.enemy_spawn_chance
|
||||||
|
{
|
||||||
|
let margin = 15.0;
|
||||||
|
let max_offset = width - cfg.enemy_width - margin * 2.0;
|
||||||
|
if max_offset > 0.0 {
|
||||||
|
let ex = x + margin + self.rng.random_range(0.0..max_offset);
|
||||||
|
let ey = y - cfg.enemy_height;
|
||||||
|
enemies.push(Enemy::new(ex, ey, cfg.enemy_width, cfg.enemy_height));
|
||||||
|
has_enemy = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if !cfg.pickup_defs.is_empty() && self.rng.random::<f32>() < cfg.pickup_spawn_chance {
|
||||||
|
let def_index = self.rng.random_range(0..cfg.pickup_defs.len());
|
||||||
|
|
||||||
|
let margin = 20.0;
|
||||||
|
let px_min = x + margin;
|
||||||
|
let px_max = x + width - cfg.pickup_size - margin;
|
||||||
|
|
||||||
|
if px_max > px_min {
|
||||||
|
let mut px: f32 = self.rng.random_range(px_min..px_max);
|
||||||
|
|
||||||
|
if has_enemy {
|
||||||
|
let enemy_cx = x + width * 0.5;
|
||||||
|
if (px - enemy_cx).abs() < cfg.enemy_width + cfg.pickup_size {
|
||||||
|
px = (px + cfg.enemy_width + cfg.pickup_size)
|
||||||
|
.min(x + width - cfg.pickup_size - margin);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
let py = y - cfg.pickup_size - cfg.pickup_hover_gap;
|
||||||
|
pickups.push(Pickup::new(px, py, cfg.pickup_size, def_index));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
self.frontier_x = x + width;
|
||||||
|
self.frontier_y = y;
|
||||||
|
}
|
||||||
|
}
|
||||||
30
src/main.rs
Normal file
30
src/main.rs
Normal file
@@ -0,0 +1,30 @@
|
|||||||
|
mod config;
|
||||||
|
mod effects;
|
||||||
|
mod enemy;
|
||||||
|
mod game;
|
||||||
|
mod level_gen;
|
||||||
|
mod pickup;
|
||||||
|
mod platform;
|
||||||
|
mod player;
|
||||||
|
mod world;
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let cfg = config::Config::default();
|
||||||
|
|
||||||
|
let (mut rl, thread) = raylib::init()
|
||||||
|
.size(cfg.screen_width, cfg.screen_height)
|
||||||
|
.title("Endless Runner")
|
||||||
|
.build();
|
||||||
|
|
||||||
|
rl.set_target_fps(60);
|
||||||
|
|
||||||
|
let mut game = game::Game::new(cfg);
|
||||||
|
|
||||||
|
while !rl.window_should_close() {
|
||||||
|
let dt = rl.get_frame_time().min(0.05); // cap dt to avoid spiral of death
|
||||||
|
game.update(&rl, dt);
|
||||||
|
|
||||||
|
let mut d = rl.begin_drawing(&thread);
|
||||||
|
game.render(&mut d);
|
||||||
|
}
|
||||||
|
}
|
||||||
71
src/pickup.rs
Normal file
71
src/pickup.rs
Normal file
@@ -0,0 +1,71 @@
|
|||||||
|
use crate::effects::{ActiveEffect, InvulnerabilityEffect, JumpBoostEffect, ScoreMultiplierEffect};
|
||||||
|
|
||||||
|
/// Which gameplay effect this pickup grants.
|
||||||
|
/// Add a new variant here (and a matching `ActiveEffect` impl) to extend.
|
||||||
|
#[derive(Clone)]
|
||||||
|
pub enum PickupEffectType {
|
||||||
|
Invulnerability,
|
||||||
|
JumpBoost { factor: f32 },
|
||||||
|
ScoreMultiplier { factor: f32 },
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Data-driven definition of a pickup type — lives entirely in `Config`.
|
||||||
|
#[derive(Clone)]
|
||||||
|
pub struct PickupDef {
|
||||||
|
pub label: &'static str,
|
||||||
|
/// RGB colour used for the pickup icon and effect HUD bar.
|
||||||
|
pub color: (u8, u8, u8),
|
||||||
|
pub duration: f32,
|
||||||
|
pub effect: PickupEffectType,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl PickupDef {
|
||||||
|
/// Instantiate the corresponding active effect.
|
||||||
|
pub fn create_effect(&self) -> Box<dyn ActiveEffect> {
|
||||||
|
match self.effect {
|
||||||
|
PickupEffectType::Invulnerability => {
|
||||||
|
Box::new(InvulnerabilityEffect::new(self.duration))
|
||||||
|
}
|
||||||
|
PickupEffectType::JumpBoost { factor } => {
|
||||||
|
Box::new(JumpBoostEffect::new(self.duration, factor))
|
||||||
|
}
|
||||||
|
PickupEffectType::ScoreMultiplier { factor } => {
|
||||||
|
Box::new(ScoreMultiplierEffect::new(self.duration, factor))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ── In-world pickup instance ──────────────────────────────────────────────────
|
||||||
|
|
||||||
|
pub struct Pickup {
|
||||||
|
pub x: f32,
|
||||||
|
pub y: f32,
|
||||||
|
pub width: f32,
|
||||||
|
pub height: f32,
|
||||||
|
/// Index into `Config::pickup_defs`.
|
||||||
|
pub def_index: usize,
|
||||||
|
pub collected: bool,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Pickup {
|
||||||
|
pub fn new(x: f32, y: f32, size: f32, def_index: usize) -> Self {
|
||||||
|
Self { x, y, width: size, height: size, def_index, collected: false }
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn scroll(&mut self, speed: f32, dt: f32) {
|
||||||
|
self.x -= speed * dt;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn is_off_screen(&self) -> bool {
|
||||||
|
self.x + self.width < 0.0
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn right(&self) -> f32 {
|
||||||
|
self.x + self.width
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn bottom(&self) -> f32 {
|
||||||
|
self.y + self.height
|
||||||
|
}
|
||||||
|
}
|
||||||
29
src/platform.rs
Normal file
29
src/platform.rs
Normal file
@@ -0,0 +1,29 @@
|
|||||||
|
#[derive(Clone)]
|
||||||
|
pub struct Platform {
|
||||||
|
pub x: f32,
|
||||||
|
pub y: f32,
|
||||||
|
pub width: f32,
|
||||||
|
pub height: f32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Platform {
|
||||||
|
pub fn new(x: f32, y: f32, width: f32, height: f32) -> Self {
|
||||||
|
Self { x, y, width, height }
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn scroll(&mut self, speed: f32, dt: f32) {
|
||||||
|
self.x -= speed * dt;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn is_off_screen(&self) -> bool {
|
||||||
|
self.x + self.width < 0.0
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn top(&self) -> f32 {
|
||||||
|
self.y
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn right(&self) -> f32 {
|
||||||
|
self.x + self.width
|
||||||
|
}
|
||||||
|
}
|
||||||
80
src/player.rs
Normal file
80
src/player.rs
Normal file
@@ -0,0 +1,80 @@
|
|||||||
|
use crate::config::Config;
|
||||||
|
|
||||||
|
pub struct Player {
|
||||||
|
pub x: f32,
|
||||||
|
pub y: f32,
|
||||||
|
pub prev_y: f32,
|
||||||
|
pub vy: f32,
|
||||||
|
pub width: f32,
|
||||||
|
pub height: f32,
|
||||||
|
pub on_ground: bool,
|
||||||
|
pub alive: bool,
|
||||||
|
/// Countdown from `coyote_time` to 0. Positive value = jump still allowed.
|
||||||
|
pub coyote_timer: f32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Player {
|
||||||
|
pub fn new(cfg: &Config) -> Self {
|
||||||
|
let y = cfg.start_platform_y - cfg.player_height;
|
||||||
|
Self {
|
||||||
|
x: cfg.player_x,
|
||||||
|
y,
|
||||||
|
prev_y: y,
|
||||||
|
vy: 0.0,
|
||||||
|
width: cfg.player_width,
|
||||||
|
height: cfg.player_height,
|
||||||
|
on_ground: true,
|
||||||
|
alive: true,
|
||||||
|
coyote_timer: cfg.coyote_time,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Apply gravity and integrate position. Must be called before collision resolution.
|
||||||
|
pub fn update(&mut self, dt: f32, cfg: &Config) {
|
||||||
|
self.prev_y = self.y;
|
||||||
|
|
||||||
|
// Refresh coyote window while grounded; tick it down while airborne.
|
||||||
|
if self.on_ground {
|
||||||
|
self.coyote_timer = cfg.coyote_time;
|
||||||
|
} else {
|
||||||
|
self.coyote_timer = (self.coyote_timer - dt).max(0.0);
|
||||||
|
}
|
||||||
|
|
||||||
|
self.vy += cfg.gravity * dt;
|
||||||
|
self.y += self.vy * dt;
|
||||||
|
|
||||||
|
// Reset ground flag; platform collision will set it back.
|
||||||
|
self.on_ground = false;
|
||||||
|
|
||||||
|
if self.y > cfg.screen_height as f32 + 50.0 {
|
||||||
|
self.alive = false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Jump if the coyote window is open (on ground OR just left a platform).
|
||||||
|
/// `jump_multiplier` comes from active effects.
|
||||||
|
pub fn jump(&mut self, cfg: &Config, jump_multiplier: f32) {
|
||||||
|
if self.coyote_timer > 0.0 {
|
||||||
|
self.vy = cfg.jump_velocity * jump_multiplier;
|
||||||
|
self.coyote_timer = 0.0; // consume the window
|
||||||
|
self.on_ground = false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn stomp_bounce(&mut self, cfg: &Config) {
|
||||||
|
self.vy = cfg.stomp_bounce_velocity;
|
||||||
|
self.on_ground = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn bottom(&self) -> f32 {
|
||||||
|
self.y + self.height
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn prev_bottom(&self) -> f32 {
|
||||||
|
self.prev_y + self.height
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn right(&self) -> f32 {
|
||||||
|
self.x + self.width
|
||||||
|
}
|
||||||
|
}
|
||||||
357
src/world.rs
Normal file
357
src/world.rs
Normal file
@@ -0,0 +1,357 @@
|
|||||||
|
use raylib::prelude::*;
|
||||||
|
|
||||||
|
use crate::{
|
||||||
|
config::Config,
|
||||||
|
effects::ActiveEffect,
|
||||||
|
enemy::Enemy,
|
||||||
|
level_gen::LevelGenerator,
|
||||||
|
pickup::Pickup,
|
||||||
|
platform::Platform,
|
||||||
|
player::Player,
|
||||||
|
};
|
||||||
|
|
||||||
|
pub struct World {
|
||||||
|
pub player: Player,
|
||||||
|
pub platforms: Vec<Platform>,
|
||||||
|
pub enemies: Vec<Enemy>,
|
||||||
|
pub pickups: Vec<Pickup>,
|
||||||
|
pub active_effects: Vec<Box<dyn ActiveEffect>>,
|
||||||
|
pub score: u64,
|
||||||
|
pub elapsed: f32,
|
||||||
|
score_f: f32,
|
||||||
|
level_gen: LevelGenerator,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl World {
|
||||||
|
pub fn new(cfg: &Config) -> Self {
|
||||||
|
let start_platform = Platform::new(
|
||||||
|
0.0,
|
||||||
|
cfg.start_platform_y,
|
||||||
|
cfg.screen_width as f32 * 0.65,
|
||||||
|
cfg.platform_height,
|
||||||
|
);
|
||||||
|
|
||||||
|
let mut platforms = vec![start_platform];
|
||||||
|
let mut enemies = Vec::new();
|
||||||
|
let mut pickups = Vec::new();
|
||||||
|
let mut level_gen = LevelGenerator::new(cfg);
|
||||||
|
level_gen.generate_if_needed(cfg, &mut platforms, &mut enemies, &mut pickups);
|
||||||
|
|
||||||
|
Self {
|
||||||
|
player: Player::new(cfg),
|
||||||
|
platforms,
|
||||||
|
enemies,
|
||||||
|
pickups,
|
||||||
|
active_effects: Vec::new(),
|
||||||
|
score: 0,
|
||||||
|
score_f: 0.0,
|
||||||
|
elapsed: 0.0,
|
||||||
|
level_gen,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn update(&mut self, dt: f32, jump_pressed: bool, cfg: &Config) {
|
||||||
|
self.elapsed += dt;
|
||||||
|
let speed = cfg.scroll_speed(self.elapsed);
|
||||||
|
|
||||||
|
// 1. Physics
|
||||||
|
self.player.update(dt, cfg);
|
||||||
|
|
||||||
|
// 2. Scroll world
|
||||||
|
for p in &mut self.platforms {
|
||||||
|
p.scroll(speed, dt);
|
||||||
|
}
|
||||||
|
for e in &mut self.enemies {
|
||||||
|
e.scroll(speed, dt);
|
||||||
|
}
|
||||||
|
for pk in &mut self.pickups {
|
||||||
|
pk.scroll(speed, dt);
|
||||||
|
}
|
||||||
|
self.level_gen.scroll(speed, dt);
|
||||||
|
|
||||||
|
// 3. Resolve collisions (sets on_ground / alive)
|
||||||
|
self.resolve_platform_collisions();
|
||||||
|
self.resolve_enemy_collisions(cfg);
|
||||||
|
self.collect_pickups(cfg);
|
||||||
|
|
||||||
|
// 4. Jump input — uses coyote_timer set during update, and effect multiplier
|
||||||
|
if jump_pressed {
|
||||||
|
let mult = self.jump_multiplier();
|
||||||
|
self.player.jump(cfg, mult);
|
||||||
|
}
|
||||||
|
|
||||||
|
// 5. Tick active effects; remove expired ones
|
||||||
|
self.active_effects.retain_mut(|e| e.update(dt));
|
||||||
|
|
||||||
|
// 6. Recycle off-screen objects
|
||||||
|
self.platforms.retain(|p| !p.is_off_screen());
|
||||||
|
self.enemies.retain(|e| !e.is_off_screen() && e.alive);
|
||||||
|
self.pickups.retain(|pk| !pk.is_off_screen() && !pk.collected);
|
||||||
|
|
||||||
|
// 7. Generate new content ahead
|
||||||
|
self.level_gen.generate_if_needed(
|
||||||
|
cfg,
|
||||||
|
&mut self.platforms,
|
||||||
|
&mut self.enemies,
|
||||||
|
&mut self.pickups,
|
||||||
|
);
|
||||||
|
|
||||||
|
// 8. Accumulate score with current multiplier
|
||||||
|
let mult = self.score_multiplier();
|
||||||
|
self.score_f += cfg.score_per_second * mult * dt;
|
||||||
|
self.score = self.score_f as u64;
|
||||||
|
}
|
||||||
|
|
||||||
|
// ── Effect queries ────────────────────────────────────────────────────────
|
||||||
|
|
||||||
|
pub fn is_invulnerable(&self) -> bool {
|
||||||
|
self.active_effects.iter().any(|e| e.is_invulnerable())
|
||||||
|
}
|
||||||
|
|
||||||
|
fn jump_multiplier(&self) -> f32 {
|
||||||
|
self.active_effects.iter().fold(1.0_f32, |acc, e| acc * e.jump_multiplier())
|
||||||
|
}
|
||||||
|
|
||||||
|
fn score_multiplier(&self) -> f32 {
|
||||||
|
self.active_effects.iter().fold(1.0_f32, |acc, e| acc * e.score_multiplier())
|
||||||
|
}
|
||||||
|
|
||||||
|
// ── Collision resolution ──────────────────────────────────────────────────
|
||||||
|
|
||||||
|
fn resolve_platform_collisions(&mut self) {
|
||||||
|
if !self.player.alive {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
let ph = self.player.height;
|
||||||
|
let px = self.player.x;
|
||||||
|
|
||||||
|
let prev_bottom = self.player.prev_bottom();
|
||||||
|
let curr_bottom = self.player.bottom();
|
||||||
|
|
||||||
|
for platform in &self.platforms {
|
||||||
|
let overlaps_x = self.player.right() > platform.x + 4.0
|
||||||
|
&& px < platform.right() - 4.0;
|
||||||
|
if !overlaps_x {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Top-landing: bottom crossed platform surface this frame while falling.
|
||||||
|
if self.player.vy >= 0.0
|
||||||
|
&& prev_bottom <= platform.top() + 1.0
|
||||||
|
&& curr_bottom >= platform.top()
|
||||||
|
{
|
||||||
|
self.player.y = platform.top() - ph;
|
||||||
|
self.player.vy = 0.0;
|
||||||
|
self.player.on_ground = true;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn resolve_enemy_collisions(&mut self, cfg: &Config) {
|
||||||
|
if !self.player.alive {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
let px = self.player.x;
|
||||||
|
let prev_bottom = self.player.prev_bottom();
|
||||||
|
let curr_bottom = self.player.bottom();
|
||||||
|
let player_top = self.player.y;
|
||||||
|
// Precompute effect queries before the mutable borrow of self.enemies.
|
||||||
|
let invulnerable = self.is_invulnerable();
|
||||||
|
let score_mult = self.score_multiplier();
|
||||||
|
|
||||||
|
for enemy in &mut self.enemies {
|
||||||
|
if !enemy.alive {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
let overlaps_x = self.player.right() > enemy.x && px < enemy.right();
|
||||||
|
if !overlaps_x {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
let overlaps_y = curr_bottom > enemy.top() && player_top < enemy.bottom();
|
||||||
|
if !overlaps_y {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Stomp: player was above enemy top and crosses it while falling.
|
||||||
|
let stomp = self.player.vy > 0.0
|
||||||
|
&& prev_bottom <= enemy.top() + 8.0
|
||||||
|
&& curr_bottom >= enemy.top();
|
||||||
|
|
||||||
|
if stomp {
|
||||||
|
enemy.alive = false;
|
||||||
|
self.player.stomp_bounce(cfg);
|
||||||
|
self.score_f += cfg.enemy_stomp_bonus * score_mult;
|
||||||
|
self.score = self.score_f as u64;
|
||||||
|
} else if !invulnerable {
|
||||||
|
self.player.alive = false;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
// invulnerable + non-stomp → pass through
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn collect_pickups(&mut self, cfg: &Config) {
|
||||||
|
if !self.player.alive {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
let px = self.player.x;
|
||||||
|
let curr_bottom = self.player.bottom();
|
||||||
|
let player_top = self.player.y;
|
||||||
|
|
||||||
|
for pickup in &mut self.pickups {
|
||||||
|
if pickup.collected {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
let overlaps_x = self.player.right() > pickup.x && px < pickup.right();
|
||||||
|
let overlaps_y = curr_bottom > pickup.y && player_top < pickup.bottom();
|
||||||
|
|
||||||
|
if overlaps_x && overlaps_y {
|
||||||
|
pickup.collected = true;
|
||||||
|
let effect = cfg.pickup_defs[pickup.def_index].create_effect();
|
||||||
|
self.active_effects.push(effect);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ── Rendering ─────────────────────────────────────────────────────────────
|
||||||
|
|
||||||
|
pub fn render(&self, d: &mut RaylibDrawHandle, cfg: &Config) {
|
||||||
|
// Sky
|
||||||
|
d.draw_rectangle(0, 0, cfg.screen_width, cfg.screen_height,
|
||||||
|
Color::new(22, 24, 46, 255));
|
||||||
|
d.draw_rectangle(0, cfg.screen_height / 2, cfg.screen_width, cfg.screen_height / 2,
|
||||||
|
Color::new(18, 20, 38, 255));
|
||||||
|
|
||||||
|
self.draw_platforms(d);
|
||||||
|
self.draw_pickups(d, cfg);
|
||||||
|
self.draw_enemies(d);
|
||||||
|
self.draw_player(d);
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Draw effect timer bars; called from game HUD so it layers above the world.
|
||||||
|
pub fn draw_active_effects_hud(&self, d: &mut RaylibDrawHandle, cfg: &Config) {
|
||||||
|
let bar_w = 180;
|
||||||
|
let bar_h = 14;
|
||||||
|
let x0 = 16;
|
||||||
|
let mut y = 58;
|
||||||
|
|
||||||
|
for effect in &self.active_effects {
|
||||||
|
let tint = effect.tint();
|
||||||
|
let (r, g, b, _) = (tint.r, tint.g, tint.b, tint.a);
|
||||||
|
|
||||||
|
// Background
|
||||||
|
d.draw_rectangle(x0, y, bar_w, bar_h, Color::new(30, 30, 55, 200));
|
||||||
|
// Fill
|
||||||
|
let fill = (effect.progress() * bar_w as f32) as i32;
|
||||||
|
d.draw_rectangle(x0, y, fill, bar_h, Color::new(r, g, b, 200));
|
||||||
|
// Border
|
||||||
|
d.draw_rectangle_lines(x0, y, bar_w, bar_h, Color::new(r, g, b, 160));
|
||||||
|
// Label
|
||||||
|
let lbl = effect.label();
|
||||||
|
d.draw_text(lbl, x0 + 4, y + 1, 11,
|
||||||
|
Color::new(cfg.screen_width as u8, 255, 255, 255)); // reuse white
|
||||||
|
d.draw_text(lbl, x0 + 4, y + 1, 11, Color::WHITE);
|
||||||
|
|
||||||
|
y += bar_h + 4;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn draw_platforms(&self, d: &mut RaylibDrawHandle) {
|
||||||
|
for p in &self.platforms {
|
||||||
|
d.draw_rectangle(p.x as i32, p.y as i32, p.width as i32, p.height as i32,
|
||||||
|
Color::new(58, 160, 72, 255));
|
||||||
|
d.draw_rectangle(p.x as i32, p.y as i32, p.width as i32, 4,
|
||||||
|
Color::new(100, 220, 110, 255));
|
||||||
|
d.draw_rectangle(p.x as i32, (p.y + p.height - 4.0) as i32, p.width as i32, 4,
|
||||||
|
Color::new(38, 110, 50, 255));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn draw_pickups(&self, d: &mut RaylibDrawHandle, cfg: &Config) {
|
||||||
|
let s = cfg.pickup_size as i32;
|
||||||
|
// Animate a gentle bob using elapsed time
|
||||||
|
let bob = (self.elapsed * 3.0).sin() * 3.0;
|
||||||
|
|
||||||
|
for pickup in &self.pickups {
|
||||||
|
if pickup.collected {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
let def = &cfg.pickup_defs[pickup.def_index];
|
||||||
|
let (r, g, b) = def.color;
|
||||||
|
let x = pickup.x as i32;
|
||||||
|
let y = (pickup.y + bob) as i32;
|
||||||
|
|
||||||
|
// Glow shadow
|
||||||
|
d.draw_rectangle(x - 2, y - 2, s + 4, s + 4, Color::new(r, g, b, 60));
|
||||||
|
// Body
|
||||||
|
d.draw_rectangle(x, y, s, s, Color::new(r, g, b, 220));
|
||||||
|
// Shine
|
||||||
|
d.draw_rectangle(x + 3, y + 3, s / 3, s / 3, Color::new(255, 255, 255, 100));
|
||||||
|
// Border
|
||||||
|
d.draw_rectangle_lines(x, y, s, s, Color::WHITE);
|
||||||
|
// First letter of label
|
||||||
|
let letter = &def.label[..1];
|
||||||
|
let lw = d.measure_text(letter, 16);
|
||||||
|
d.draw_text(letter, x + (s - lw) / 2, y + (s - 16) / 2, 16, Color::WHITE);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn draw_enemies(&self, d: &mut RaylibDrawHandle) {
|
||||||
|
for e in &self.enemies {
|
||||||
|
if !e.alive {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
d.draw_rectangle(e.x as i32, e.y as i32, e.width as i32, e.height as i32,
|
||||||
|
Color::new(210, 50, 50, 255));
|
||||||
|
|
||||||
|
let eye_y = (e.y + e.height * 0.28) as i32;
|
||||||
|
d.draw_circle((e.x + e.width * 0.28) as i32, eye_y, 5.0, Color::WHITE);
|
||||||
|
d.draw_circle((e.x + e.width * 0.72) as i32, eye_y, 5.0, Color::WHITE);
|
||||||
|
d.draw_circle((e.x + e.width * 0.28) as i32 + 1, eye_y + 1, 2.5, Color::BLACK);
|
||||||
|
d.draw_circle((e.x + e.width * 0.72) as i32 + 1, eye_y + 1, 2.5, Color::BLACK);
|
||||||
|
|
||||||
|
let bx = e.x as i32;
|
||||||
|
let bw = e.width as i32;
|
||||||
|
let by = eye_y - 10;
|
||||||
|
d.draw_line(bx + 4, by - 2, bx + bw / 2 - 2, by + 4, Color::new(140, 20, 20, 255));
|
||||||
|
d.draw_line(bx + bw / 2 + 2, by + 4, bx + bw - 4, by - 2, Color::new(140, 20, 20, 255));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn draw_player(&self, d: &mut RaylibDrawHandle) {
|
||||||
|
let p = &self.player;
|
||||||
|
if !p.alive {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
let x = p.x as i32;
|
||||||
|
let y = p.y as i32;
|
||||||
|
let w = p.width as i32;
|
||||||
|
let h = p.height as i32;
|
||||||
|
|
||||||
|
// Invulnerability pulsing outline
|
||||||
|
if self.is_invulnerable() {
|
||||||
|
let pulse = ((self.elapsed * 8.0).sin() * 0.5 + 0.5) as f32;
|
||||||
|
let alpha = (150.0 + pulse * 105.0) as u8;
|
||||||
|
d.draw_rectangle(x - 3, y - 3, w + 6, h + 6, Color::new(255, 200, 50, alpha));
|
||||||
|
}
|
||||||
|
|
||||||
|
let body_color = if p.on_ground {
|
||||||
|
Color::new(60, 120, 220, 255)
|
||||||
|
} else {
|
||||||
|
Color::new(80, 160, 255, 255)
|
||||||
|
};
|
||||||
|
d.draw_rectangle(x, y + h / 4, w, h * 3 / 4, body_color);
|
||||||
|
d.draw_rectangle(x + 4, y, w - 8, h / 2, Color::new(255, 210, 140, 255));
|
||||||
|
d.draw_rectangle(x + 8, y + 8, 6, 6, Color::WHITE);
|
||||||
|
d.draw_rectangle(x + w - 14, y + 8, 6, 6, Color::WHITE);
|
||||||
|
d.draw_rectangle(x + 10, y + 10, 3, 3, Color::BLACK);
|
||||||
|
d.draw_rectangle(x + w - 12, y + 10, 3, 3, Color::BLACK);
|
||||||
|
d.draw_rectangle(x, y + h / 4, w, 5, Color::new(220, 60, 60, 255));
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user