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spritebatch affine draw command

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a dinosaur
2024-09-21 20:05:53 +10:00
parent b5b3e4cb16
commit 86316ee42c
2 changed files with 48 additions and 4 deletions
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10
Sources/Voxelotl/SpriteTestGame.swift
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@ -81,12 +81,16 @@ internal class SpriteTestGame: GameDelegate {
// Sliding door test
let doorAngle = max(sin(player.rotate * 2.6) - 0.75, 0) * .pi
let doorScale = SIMD2<Float>(24, 12)
let doorAffine = simd_float2x2(
.init( cos(doorAngle) * doorScale.x, sin(doorAngle) * doorScale.y),
.init(-sin(doorAngle) * doorScale.x, cos(doorAngle) * doorScale.y))
let doorOrigin = SIMD2<Float>(repeating: 1)
let doorPosition = SIMD2<Float>(704 + 24, 1152 + 12) - doorOrigin * doorAffine
self.spriteBatch.draw(self.texture, source: Rect<Float>(
origin: .init(4 + cos(player.rotate / 1.2) * 4, 0),
size: .init(4 + cos(player.rotate / 1.3) * 4, 16)),
position: .init(704 + 24, 1152 + 12), scale: .init(24, 12),
angle: doorAngle, origin: SIMD2<Float>(repeating: 1),
flip: .none, color: .red.mix(.white, 0.3))
position: doorPosition, transform: doorAffine, color: .red.mix(.white, 0.3))
// Draw mouse cursor
var mpos = Mouse.position