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Update LottieMesh

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This commit is contained in:
Ali 2021-11-25 00:07:12 +04:00
parent a76672896e
commit 66861def92
5 changed files with 22 additions and 6 deletions
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1
Tests/LottieMesh/Resources/SUPER Fire.json Normal file
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File diff suppressed because one or more lines are too long

3
Tests/LottieMesh/Sources/ViewController.swift
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@ -12,6 +12,7 @@ public final class ViewController: UIViewController {
self.view.backgroundColor = .black
//let path = Bundle.main.path(forResource: "SUPER Fire", ofType: "json")!
let path = Bundle.main.path(forResource: "Fireworks", ofType: "json")!
//let path = Bundle.main.path(forResource: "Cat", ofType: "json")!
/*for _ in 0 ..< 100 {
@ -25,7 +26,7 @@ public final class ViewController: UIViewController {
let buffer = MeshReadBuffer(data: try! Data(contentsOf: URL(fileURLWithPath: animationFile.path)))
let animation = MeshAnimation.read(buffer: buffer)
let renderer = MeshRenderer(wireframe: true)!
let renderer = MeshRenderer(wireframe: false)!
renderer.frame = CGRect(origin: CGPoint(x: 0.0, y: 50.0), size: CGSize(width: 300.0, height: 300.0))
self.view.addSubview(renderer)

14
submodules/LottieMeshSwift/LottieMesh/Sources/LottieMesh.cpp
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@ -56,13 +56,23 @@ std::unique_ptr<Mesh> generateMesh(std::vector<Path> const &paths, std::unique_p
assert(mesh->triangles.size() % 3 == 0);
return mesh;
} else {
} else if (fill) {
TESStesselator *tessellator = tessNewTess(NULL);
tessSetOption(tessellator, TESS_CONSTRAINED_DELAUNAY_TRIANGULATION, 1);
for (const auto &path : paths) {
tessAddContour(tessellator, 2, path.points.data(), sizeof(Point), (int)path.points.size());
}
switch (fill->rule) {
case Fill::Rule::EvenOdd: {
tessTesselate(tessellator, TESS_WINDING_ODD, TESS_POLYGONS, 3, 2, NULL);
break;
}
default: {
tessTesselate(tessellator, TESS_WINDING_NONZERO, TESS_POLYGONS, 3, 2, NULL);
break;
}
}
int vertexCount = tessGetVertexCount(tessellator);
const TESSreal *vertices = tessGetVertices(tessellator);
@ -77,6 +87,8 @@ std::unique_ptr<Mesh> generateMesh(std::vector<Path> const &paths, std::unique_p
mesh->triangles.push_back(indices[i]);
}
return mesh;
} else {
return nullptr;
}
}

2
submodules/LottieMeshSwift/LottieMeshBinding/Sources/LottieMeshBinding.mm
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@ -24,7 +24,7 @@ float approximateBezierQuadraticLength(MeshGenerator::Point const &p0, MeshGener
}
void tesselateBezier(MeshGenerator::Path &path, MeshGenerator::Point const &p1, MeshGenerator::Point const &p2, MeshGenerator::Point const &p3, MeshGenerator::Point const &p4, int level) {
const float tessTol = 0.25f / 0.5f;
const float tessTol = 0.25f / 0.1f;
float x1 = p1.x;
float y1 = p1.y;

2
submodules/LottieMeshSwift/Sources/Lottie/Private/NodeRenderSystem/RenderLayers/ShapeRenderLayer.swift
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@ -124,8 +124,10 @@ final class ShapeRenderLayer: ShapeContainerLayer {
for i in stride(from: (renderer.numberOfColors * 4), to: renderer.colors.endIndex, by: 2) {
let alpha = renderer.colors[i + 1]
var currentAlpha: CGFloat = 1.0
if alphaIndex < gradientColors.count {
gradientColors[alphaIndex].getRed(nil, green: nil, blue: nil, alpha: &currentAlpha)
gradientColors[alphaIndex] = gradientColors[alphaIndex].withAlphaComponent(alpha * currentAlpha)
}
alphaIndex += 1
}