64 lines
2.1 KiB
Rust
64 lines
2.1 KiB
Rust
#![warn(missing_docs)]
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//! Compile-time parameters
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/// Minimum zoom level
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pub const ZOOM_MIN: f32 = 200.0;
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/// Maximum zoom level
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pub const ZOOM_MAX: f32 = 2000.0;
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/// Z-axis range for starfield stars
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/// This does not affect scale.
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pub const STARFIELD_Z_MIN: f32 = 100.0;
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/// Z-axis range for starfield stars
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/// This does not affect scale.
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pub const STARFIELD_Z_MAX: f32 = 200.0;
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/// Size range for starfield stars, in game units.
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/// This is scaled for zoom, but NOT for distance.
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pub const STARFIELD_SIZE_MIN: f32 = 0.2;
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/// Size range for starfield stars, in game units.
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/// This is scaled for zoom, but NOT for distance.
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pub const STARFIELD_SIZE_MAX: f32 = 1.8;
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/// Size of a square starfield tile, in game units.
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/// A tile of size STARFIELD_Z_MAX * screen-size-in-game-units
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/// will completely cover a (square) screen. This depends on zoom!
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///
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/// Use a value smaller than zoom_max for debug.
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pub const STARFIELD_SIZE: u64 = STARFIELD_Z_MAX as u64 * ZOOM_MAX as u64;
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/// Average number of stars per game unit
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pub const STARFIELD_DENSITY: f64 = 0.01;
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/// Number of stars in one starfield tile
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/// Must fit inside an i32
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pub const STARFIELD_COUNT: u64 = (STARFIELD_SIZE as f64 * STARFIELD_DENSITY) as u64;
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/// Name of starfield sprite
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pub const STARFIELD_SPRITE_NAME: &'static str = "starfield";
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/// Root directory of game content
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pub const CONTENT_ROOT: &'static str = "./content";
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/// Root directory of game images
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pub const IMAGE_ROOT: &'static str = "./assets/render";
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/// We can draw at most this many object sprites on the screen.
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pub const OBJECT_SPRITE_INSTANCE_LIMIT: u64 = 500;
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/// We can draw at most this many ui sprites on the screen.
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pub const UI_SPRITE_INSTANCE_LIMIT: u64 = 100;
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/// The size of our circular particle buffer. When we create particles, the oldest ones are replaced.
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pub const PARTICLE_SPRITE_INSTANCE_LIMIT: u64 = 1000;
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/// Must be small enough to fit in an i32
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pub const STARFIELD_SPRITE_INSTANCE_LIMIT: u64 = STARFIELD_COUNT * 24;
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/// The maximum number of sprites we can define
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pub const SPRITE_LIMIT: u32 = 1024;
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/// The maximum number of images we can load
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pub const IMAGE_LIMIT: u32 = 1024;
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