mirror of
https://github.com/GayPizzaSpecifications/voxelotl-engine.git
synced 2025-08-03 05:10:57 +00:00
basic block picking
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@ -26,6 +26,8 @@ class Game: GameDelegate {
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var projection: matrix_float4x4 = .identity
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var chunk = Chunk(position: .zero)
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var rayhitPos = SIMD3<Float>.zero
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init() {
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self.resetPlayer()
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self.generateWorld()
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@ -75,10 +77,10 @@ class Game: GameDelegate {
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let deltaTime = min(Float(time.delta.asFloat), 1.0 / 15)
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var destroy = false
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if let pad = GameController.current?.state {
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// Delete block underneath player
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if pad.pressed(.south) {
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self.chunk.setBlock(at: SIMD3(player.position + .down * 0.2), type: .air)
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destroy = true
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}
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// Player reset
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@ -102,17 +104,40 @@ class Game: GameDelegate {
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self.player.update(deltaTime: deltaTime, chunk: chunk)
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self.camera.position = player.eyePosition
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self.camera.rotation = player.eyeRotation
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if let hit = raycast(
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chunk: chunk,
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origin: player.eyePosition,
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direction: .forward * simd_matrix3x3(player.eyeRotation),
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maxDistance: 3.333
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) {
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self.rayhitPos = hit.position
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if destroy {
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self.chunk.setBlock(at: hit.map, type: .air)
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}
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}
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}
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func draw(_ renderer: Renderer, _ time: GameTime) {
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let instances = chunk.compactMap { block, position in
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let totalTime = Float(time.total.asFloat)
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var instances = chunk.compactMap { block, position in
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if case let .solid(color) = block.type {
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Instance(
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position: SIMD3<Float>(position) + 0.5,
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position: SIMD3<Float>(chunk.position &+ position) + 0.5,
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scale: .init(repeating: 0.5),
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color: color)
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} else { nil }
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}
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instances.append(
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Instance(
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position: rayhitPos,
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scale: .init(repeating: 0.0725 * 0.5),
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rotation:
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.init(angle: totalTime * 3.0, axis: .init(0, 1, 0)) *
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.init(angle: totalTime * 1.5, axis: .init(1, 0, 0)) *
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.init(angle: totalTime * 0.7, axis: .init(0, 0, 1)),
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color: .init(r: 0.5, g: 0.5, b: 1).linear))
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if !instances.isEmpty {
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renderer.batch(instances: instances, camera: self.camera)
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}
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