strips/voxelotl-engine
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crude player physics & collision response

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a dinosaur
2024-08-16 00:27:35 +10:00
parent 60ced3691d
commit 6b92b538a5
6 changed files with 206 additions and 34 deletions
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55
Sources/Voxelotl/Game.swift
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@ -1,16 +1,39 @@
import simd
struct Instance {
var position: SIMD3<Float> = .zero
var scale: SIMD3<Float> = .one
var rotation: simd_quatf = .identity
var color: SIMD4<Float> = .one
struct Box {
var geometry: AABB
var color: SIMD4<Float> = .one
}
struct Instance {
let position: SIMD3<Float>
let scale: SIMD3<Float>
let rotation: simd_quatf
let color: SIMD4<Float>
init(
position: SIMD3<Float> = .zero,
scale: SIMD3<Float> = .one,
rotation: simd_quatf = .identity,
color: SIMD4<Float> = .one
) {
self.position = position
self.scale = scale
self.rotation = rotation
self.color = color
}
}
let boxes: [Box] = [
Box(geometry: .fromUnitCube(position: .init(0, -1, 0) * 2, scale: .init(10, 0.1, 10) * 2)),
Box(geometry: .fromUnitCube(position: .init(-2.5, 0, -3) * 2, scale: .init(repeating: 2)), color: .init(1, 0.5, 0.75, 1)),
Box(geometry: .fromUnitCube(position: .init(-2.5, -0.5, -5) * 2, scale: .init(repeating: 2)), color: .init(0.75, 1, 1, 1))
]
class Game: GameDelegate {
private var fpsCalculator = FPSCalculator()
var camera = Camera(fov: 60, size: .one, range: 0.03...25)
var camera = Camera(fov: 60, size: .one, range: 0.06...50)
var player = Player()
var projection: matrix_float4x4 = .identity
@ -24,7 +47,7 @@ class Game: GameDelegate {
print("FPS: \(fps)")
}
player.update(deltaTime: deltaTime)
player.update(deltaTime: deltaTime, boxes: boxes)
camera.position = player.position
camera.rotation =
simd_quatf(angle: player.rotation.y, axis: .init(1, 0, 0)) *
@ -34,16 +57,18 @@ class Game: GameDelegate {
func draw(_ renderer: Renderer, _ time: GameTime) {
let totalTime = Float(time.total.asFloat)
let instances: [Instance] = [
var instances: [Instance] = boxes.map {
Instance(
position: .init(0, sin(totalTime * 1.5) * 0.5, -2),
scale: .init(repeating: 0.25),
position: $0.geometry.center,
scale: $0.geometry.size * 0.5,
color: $0.color)
}
instances.append(
Instance(
position: .init(0, sin(totalTime * 1.5) * 0.5, -2) * 2,
scale: .init(repeating: 0.5),
rotation: .init(angle: totalTime * 3.0, axis: .init(0, 1, 0)),
color: .init(0.5, 0.5, 1, 1)),
Instance(position: .init(0, -1, 0), scale: .init(10, 0.1, 10)),
Instance(position: .init(-2.5, 0, -3), color: .init(1, 0.5, 0.75, 1)),
Instance(position: .init(-2.5, -0.5, -5), color: .init(0.75, 1, 1, 1))
]
color: .init(0.5, 0.5, 1, 1)))
renderer.batch(instances: instances, camera: self.camera)
}