42 lines
1.7 KiB
Swift
42 lines
1.7 KiB
Swift
internal import CPlaydate
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extension Sprite {
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/// Information about a single collision, mirroring `SpriteCollisionInfo`.
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public struct CollisionInfo {
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/// The sprite being moved.
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public let sprite: Sprite
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/// The sprite it collided with.
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public let other: Sprite
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/// The collision response used.
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public let response: CollisionResponse
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/// `true` if the sprites were overlapping when the collision
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/// started; `false` if the sprite tunneled through.
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public let overlaps: Bool
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/// How far along the movement (0...1) the collision occurred.
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public let ti: Float
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/// The difference between the requested and actual positions.
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public let move: (x: Float, y: Float)
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/// The collision normal (each component -1, 0, or 1).
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public let normal: (x: Int, y: Int)
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/// Where the sprite started touching `other`.
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public let touch: (x: Float, y: Float)
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/// The sprite's rect at the moment of the touch.
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public let spriteRect: Rect
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/// `other`'s rect at the moment of the touch.
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public let otherRect: Rect
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init(_ info: SpriteCollisionInfo) {
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sprite = Sprite.wrapper(for: info.sprite)
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other = Sprite.wrapper(for: info.other)
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response = CollisionResponse(info.responseType)
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overlaps = info.overlaps != 0
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ti = info.ti
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move = (info.move.x, info.move.y)
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normal = (Int(info.normal.x), Int(info.normal.y))
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touch = (info.touch.x, info.touch.y)
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spriteRect = Rect(info.spriteRect)
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otherRect = Rect(info.otherRect)
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}
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}
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}
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