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Dust effect improvements

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This commit is contained in:
Ali
2023-11-18 01:48:34 +04:00
parent e25f926342
commit c89c1363ca
14 changed files with 291 additions and 238 deletions
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45
submodules/TelegramUI/Components/DustEffect/Sources/DustEffectLayer.swift
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@@ -108,6 +108,7 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
private var updateLink: SharedDisplayLinkDriver.Link?
private var items: [Item] = []
private var lastTimeStep: Double = 0.0
public var becameEmpty: (() -> Void)?
@@ -139,10 +140,31 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
fatalError("init(coder:) has not been implemented")
}
private var lastUpdateTimestamp: Double?
private func updateItems(deltaTime: Double) {
let timestamp = CACurrentMediaTime()
let localDeltaTime: Double
if let lastUpdateTimestamp = self.lastUpdateTimestamp {
localDeltaTime = timestamp - lastUpdateTimestamp
} else {
localDeltaTime = 0.0
}
self.lastUpdateTimestamp = timestamp
let deltaTimeValue: Double
if localDeltaTime <= 0.001 || localDeltaTime >= 0.2 {
deltaTimeValue = deltaTime
} else {
deltaTimeValue = localDeltaTime
}
self.lastTimeStep = deltaTimeValue
//print("updateItems: \(deltaTime), localDeltaTime: \(localDeltaTime)")
var didRemoveItems = false
for i in (0 ..< self.items.count).reversed() {
self.items[i].phase += (1.0 / 60.0) / Float(UIView.animationDurationFactor())
self.items[i].phase += Float(deltaTimeValue) / Float(UIView.animationDurationFactor())
if self.items[i].phase >= 4.0 {
self.items.remove(at: i)
@@ -217,6 +239,9 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
}
}
let lastTimeStep = self.lastTimeStep
self.lastTimeStep = 0.0
let _ = context.compute(state: DustComputeState.self, commands: { [weak self] commandBuffer, state in
guard let self else {
return
@@ -245,14 +270,16 @@ public final class DustEffectLayer: MetalEngineSubjectLayer, MetalEngineSubject
computeEncoder.dispatchThreadgroups(threadgroupCount, threadsPerThreadgroup: threadgroupSize)
}
computeEncoder.setComputePipelineState(state.computePipelineStateUpdateParticle)
var particleCount = SIMD2<UInt32>(UInt32(particleColumnCount), UInt32(particleRowCount))
computeEncoder.setBytes(&particleCount, length: 4 * 2, index: 1)
var phase = item.phase
computeEncoder.setBytes(&phase, length: 4, index: 2)
var timeStep: Float = (1.0 / 60.0) / Float(UIView.animationDurationFactor())
computeEncoder.setBytes(&timeStep, length: 4, index: 3)
computeEncoder.dispatchThreadgroups(threadgroupCount, threadsPerThreadgroup: threadgroupSize)
if lastTimeStep != 0.0 {
computeEncoder.setComputePipelineState(state.computePipelineStateUpdateParticle)
var particleCount = SIMD2<UInt32>(UInt32(particleColumnCount), UInt32(particleRowCount))
computeEncoder.setBytes(&particleCount, length: 4 * 2, index: 1)
var phase = item.phase
computeEncoder.setBytes(&phase, length: 4, index: 2)
var timeStep: Float = Float(lastTimeStep) / Float(UIView.animationDurationFactor())
computeEncoder.setBytes(&timeStep, length: 4, index: 3)
computeEncoder.dispatchThreadgroups(threadgroupCount, threadsPerThreadgroup: threadgroupSize)
}
}
computeEncoder.endEncoding()