copilot/infinipaint
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Workaround floating point determinism by using doubles

Browse source
This commit is contained in:
Yousef Khadadeh 2026-02-12 14:23:24 +03:00
parent f1c1d6a15f
commit 75fedd545d
2 changed files with 120 additions and 102 deletions
Download patch file Download diff file Expand all files Collapse all files

205
src/CanvasComponents/BrushStrokeCanvasComponent.cpp
View file

@ -16,6 +16,12 @@
#define AABB_PRECHECK_BVH_LEVELS 2
#define DEFAULT_SMOOTHNESS 5
BrushStrokeCanvasComponentPointDouble::BrushStrokeCanvasComponentPointDouble() {}
BrushStrokeCanvasComponentPointDouble::BrushStrokeCanvasComponentPointDouble(const BrushStrokeCanvasComponentPoint& p):
pos(p.pos.cast<double>()),
width(p.width)
{}
void BrushStrokeCanvasComponent::save(cereal::PortableBinaryOutputArchive& a) const {
a(*d.points, d.color, d.hasRoundCaps);
}
@ -75,7 +81,7 @@ void BrushStrokeCanvasComponent::draw(SkCanvas* canvas, const DrawData& drawData
}
std::shared_ptr<void> BrushStrokeCanvasComponent::get_predraw_data_accurate(const DrawData& drawData, const CoordSpaceHelper& coords) const {
std::vector<BrushStrokeCanvasComponentPoint> points = smooth_points(0, d.points->size() - 1, DEFAULT_SMOOTHNESS);
std::vector<BrushStrokeCanvasComponentPointDouble> points = smooth_points(0, d.points->size() - 1, DEFAULT_SMOOTHNESS);
SCollision::AABB<float> viewGenerousColliderInObjSpace = coords.world_collider_to_coords<SCollision::AABB<float>>(drawData.cam.viewingAreaGenerousCollider);
viewGenerousColliderInObjSpace.min -= Vector2f{1.0f, 1.0f};
@ -83,8 +89,8 @@ std::shared_ptr<void> BrushStrokeCanvasComponent::get_predraw_data_accurate(cons
std::vector<std::array<SkPoint, 3>> finalTrianglePoints;
auto triangleFunc = [&](Vector2f a, Vector2f b, Vector2f c) {
SCollision::Triangle<float> triCollider = {a, b, c};
auto triangleFunc = [&](Vector2d a, Vector2d b, Vector2d c) {
SCollision::Triangle<float> triCollider = {a.cast<float>(), b.cast<float>(), c.cast<float>()};
if(SCollision::collide(triCollider.bounds, viewGenerousColliderInObjSpace)) {
auto clipListFunc = [](const std::vector<std::array<WorldVec, 3>>& clipList, const std::array<WorldVec, 2>& axisLineSegment, const std::function<bool(const WorldVec&)>& isInClippingAreaFunc) {
@ -95,7 +101,7 @@ std::shared_ptr<void> BrushStrokeCanvasComponent::get_predraw_data_accurate(cons
};
std::vector<std::array<WorldVec, 3>> clipList;
clipList.emplace_back(std::array<WorldVec, 3>{coords.from_space(a), coords.from_space(b), coords.from_space(c)});
clipList.emplace_back(std::array<WorldVec, 3>{coords.from_space(triCollider.p[0]), coords.from_space(triCollider.p[1]), coords.from_space(triCollider.p[2])});
clipList = clipListFunc(clipList, {drawData.cam.viewingAreaGenerousCollider.min, drawData.cam.viewingAreaGenerousCollider.top_right()}, [&](const WorldVec& p) {
return p.y() > drawData.cam.viewingAreaGenerousCollider.min.y();
});
@ -192,8 +198,8 @@ void BrushStrokeCanvasComponent::set_data_from(const CanvasComponent& other) {
void BrushStrokeCanvasComponent::initialize_draw_data(DrawingProgram& drawP) {
if(!d.points->empty()) {
std::vector<BrushStrokeCanvasComponentPoint> points = smooth_points(0, d.points->size() - 1, DEFAULT_SMOOTHNESS);
auto triangleFunc = [&](Vector2f a, Vector2f b, Vector2f c) {
std::vector<BrushStrokeCanvasComponentPointDouble> points = smooth_points(0, d.points->size() - 1, DEFAULT_SMOOTHNESS);
auto triangleFunc = [&](Vector2d a, Vector2d b, Vector2d c) {
return false;
};
@ -212,35 +218,37 @@ void BrushStrokeCanvasComponent::initialize_draw_data(DrawingProgram& drawP) {
create_collider();
}
std::vector<size_t> BrushStrokeCanvasComponent::get_wedge_indices(const std::vector<BrushStrokeCanvasComponentPoint>& points) const {
std::vector<size_t> BrushStrokeCanvasComponent::get_wedge_indices(const std::vector<BrushStrokeCanvasComponentPointDouble>& points) const {
if(points.size() < 2)
return {};
std::vector<size_t> toRet;
toRet.emplace_back(0);
for(size_t i = 1; i < points.size() - 1; i++) {
Vector2f v1Norm = (points[i - 1].pos - points[i].pos).normalized();
Vector2f v2Norm = (points[i + 1].pos - points[i].pos).normalized();
if(v1Norm.dot(v2Norm) > -0.6f)
Vector2d v1Norm = (points[i - 1].pos - points[i].pos).normalized();
Vector2d v2Norm = (points[i + 1].pos - points[i].pos).normalized();
if(v1Norm.dot(v2Norm) > -0.6)
toRet.emplace_back(i);
}
toRet.emplace_back(points.size() - 1);
return toRet;
}
std::vector<BrushStrokeCanvasComponentPoint> BrushStrokeCanvasComponent::smooth_points(size_t beginIndex, size_t endIndex, unsigned numOfDivisions) const {
std::vector<BrushStrokeCanvasComponentPoint>& points = *d.points;
std::vector<BrushStrokeCanvasComponentPointDouble> BrushStrokeCanvasComponent::smooth_points(size_t beginIndex, size_t endIndex, unsigned numOfDivisions) const {
std::vector<BrushStrokeCanvasComponentPointDouble> points;// = *d.points;
for(auto& p : *d.points)
points.emplace_back(p);
size_t pointsSize = endIndex - beginIndex + 1;
if(pointsSize < 2)
return {points[beginIndex], points[endIndex]};
std::vector<BrushStrokeCanvasComponentPoint> toRet;
std::vector<BrushStrokeCanvasComponentPointDouble> toRet;
BrushStrokeCanvasComponentPoint p0 = points[beginIndex];
BrushStrokeCanvasComponentPointDouble p0 = points[beginIndex];
p0.pos = p0.pos + p0.width * (p0.pos - points[beginIndex + 1].pos).normalized() * DRAW_MINIMUM_LIMIT;
BrushStrokeCanvasComponentPoint p1 = points[beginIndex];
BrushStrokeCanvasComponentPoint p2 = points[beginIndex + 1];
BrushStrokeCanvasComponentPoint p3;
BrushStrokeCanvasComponentPointDouble p1 = points[beginIndex];
BrushStrokeCanvasComponentPointDouble p2 = points[beginIndex + 1];
BrushStrokeCanvasComponentPointDouble p3;
for(size_t i = beginIndex; i < endIndex; i++) {
@ -253,10 +261,10 @@ std::vector<BrushStrokeCanvasComponentPoint> BrushStrokeCanvasComponent::smooth_
toRet.emplace_back(p1);
float tMove = 1.0 / static_cast<float>(numOfDivisions);
double tMove = 1.0 / static_cast<double>(numOfDivisions);
for(unsigned d = 1; d < numOfDivisions; d++) {
float t = tMove * static_cast<float>(d);
BrushStrokeCanvasComponentPoint pToAdd;
double t = tMove * static_cast<double>(d);
BrushStrokeCanvasComponentPointDouble pToAdd;
pToAdd.pos = catmull_rom(p0.pos, p1.pos, p2.pos, p3.pos, t);
pToAdd.width = std::lerp(p1.width, p2.width, t);
if(!(std::isnan(pToAdd.pos.x()) || std::isnan(pToAdd.pos.y()))) // Don't add NAN values
@ -271,39 +279,39 @@ std::vector<BrushStrokeCanvasComponentPoint> BrushStrokeCanvasComponent::smooth_
return toRet;
}
std::vector<BrushStrokeCanvasComponentPoint> BrushStrokeCanvasComponent::smooth_points_avg(size_t beginIndex, size_t endIndex, unsigned numOfDivisions) const {
std::vector<BrushStrokeCanvasComponentPoint>& points = *d.points;
//std::vector<BrushStrokeCanvasComponentPoint> BrushStrokeCanvasComponent::smooth_points_avg(size_t beginIndex, size_t endIndex, unsigned numOfDivisions) const {
// std::vector<BrushStrokeCanvasComponentPoint>& points = *d.points;
//
// size_t pointsSize = endIndex - beginIndex + 1;
// if(pointsSize < 2)
// return {points[beginIndex], points[endIndex]};
//
// std::vector<BrushStrokeCanvasComponentPoint> toRet;
//
// for(size_t i = beginIndex; i < endIndex; i++) {
// const BrushStrokeCanvasComponentPoint& p1 = points[i];
// const BrushStrokeCanvasComponentPoint& p2 = points[i + 1];
//
// float tMove = 1.0 / static_cast<float>(numOfDivisions);
// for(unsigned d = 0; d < numOfDivisions; d++) {
// float t = tMove * static_cast<float>(d);
// BrushStrokeCanvasComponentPoint pToAdd;
// pToAdd.pos = lerp_vec(p1.pos, p2.pos, t);
// pToAdd.width = std::lerp(p1.width, p2.width, t);
// if(!(std::isnan(pToAdd.pos.x()) || std::isnan(pToAdd.pos.y()))) // Don't add NAN values
// toRet.emplace_back(pToAdd);
// }
// }
//
// toRet.emplace_back(points[endIndex]);
//
// return toRet;
//}
size_t pointsSize = endIndex - beginIndex + 1;
if(pointsSize < 2)
return {points[beginIndex], points[endIndex]};
std::vector<BrushStrokeCanvasComponentPoint> toRet;
for(size_t i = beginIndex; i < endIndex; i++) {
const BrushStrokeCanvasComponentPoint& p1 = points[i];
const BrushStrokeCanvasComponentPoint& p2 = points[i + 1];
float tMove = 1.0 / static_cast<float>(numOfDivisions);
for(unsigned d = 0; d < numOfDivisions; d++) {
float t = tMove * static_cast<float>(d);
BrushStrokeCanvasComponentPoint pToAdd;
pToAdd.pos = lerp_vec(p1.pos, p2.pos, t);
pToAdd.width = std::lerp(p1.width, p2.width, t);
if(!(std::isnan(pToAdd.pos.x()) || std::isnan(pToAdd.pos.y()))) // Don't add NAN values
toRet.emplace_back(pToAdd);
}
}
toRet.emplace_back(points[endIndex]);
return toRet;
}
std::vector<BrushStrokeCanvasComponentPoint> BrushStrokeCanvasComponent::every_nth_point_include_front_and_back(const std::vector<BrushStrokeCanvasComponentPoint>& pts, size_t n) const {
std::vector<BrushStrokeCanvasComponentPointDouble> BrushStrokeCanvasComponent::every_nth_point_include_front_and_back(const std::vector<BrushStrokeCanvasComponentPointDouble>& pts, size_t n) const {
if(pts.size() <= 3 || n == 0)
return pts;
std::vector<BrushStrokeCanvasComponentPoint> toRet;
std::vector<BrushStrokeCanvasComponentPointDouble> toRet;
toRet.emplace_back(pts.front());
for(size_t i = n; i < pts.size() - 1; i += n)
toRet.emplace_back(pts[i]);
@ -311,22 +319,25 @@ std::vector<BrushStrokeCanvasComponentPoint> BrushStrokeCanvasComponent::every_n
return toRet;
}
void BrushStrokeCanvasComponent::create_triangles(const std::function<bool(Vector2f, Vector2f, Vector2f)>& passTriangleFunc, const std::vector<BrushStrokeCanvasComponentPoint>& smoothedPoints, size_t skipVertexCount, std::shared_ptr<SkPathBuilder> bPathBuilder) const {
void BrushStrokeCanvasComponent::create_triangles(const std::function<bool(Vector2d, Vector2d, Vector2d)>& passTriangleFunc, const std::vector<BrushStrokeCanvasComponentPointDouble>& smoothedPoints, size_t skipVertexCount, std::shared_ptr<SkPathBuilder> bPathBuilder) const {
const int ARC_SMOOTHNESS = 10;
const int CIRCLE_SMOOTHNESS = 20;
const std::vector<BrushStrokeCanvasComponentPoint>& pointsN = *d.points;
std::vector<SkPoint> topPoints;
std::vector<SkPoint> bottomPoints;
if(pointsN.size() == 1 && d.hasRoundCaps) {
std::vector<Vector2f> circlePoints = gen_circle_points(pointsN.front().pos, pointsN.front().width / 2.0f, CIRCLE_SMOOTHNESS);
if((*d.points).size() == 1 && d.hasRoundCaps) {
std::vector<BrushStrokeCanvasComponentPointDouble> pointsN;
for(auto& c : *d.points)
pointsN.emplace_back(c);
std::vector<Vector2d> circlePoints = gen_circle_points(pointsN.front().pos, pointsN.front().width / 2.0, CIRCLE_SMOOTHNESS);
for(size_t i = 0; i < circlePoints.size(); i++) {
if(passTriangleFunc(pointsN.front().pos, circlePoints[i], circlePoints[(i + 1) % circlePoints.size()])) return;
topPoints.emplace_back(convert_vec2<SkPoint>(circlePoints[i]));
}
}
if(pointsN.size() < 2) {
if((*d.points).size() < 2) {
if(bPathBuilder && !topPoints.empty())
bPathBuilder->addPolygon({topPoints.data(), topPoints.size()}, false);
return;
@ -340,25 +351,25 @@ void BrushStrokeCanvasComponent::create_triangles(const std::function<bool(Vecto
size_t pointsBegin = wedgeIndices[i];
size_t pointsEnd = wedgeIndices[i + 1];
std::array<Vector2f, 3> vertArray;
std::array<Vector2d, 3> vertArray;
size_t newIndex = 0;
Vector2f perpPrev = perpendicular_vec2((points[pointsBegin + 1].pos - points[pointsBegin].pos).eval());
Vector2d perpPrev = perpendicular_vec2((points[pointsBegin + 1].pos - points[pointsBegin].pos).eval());
perpPrev.normalize();
vertArray[0] = points[pointsBegin].pos + perpPrev * points[pointsBegin].width * 0.5f;
vertArray[0] = points[pointsBegin].pos + perpPrev * points[pointsBegin].width * 0.5;
topPoints.emplace_back(convert_vec2<SkPoint>(vertArray[0]));
vertArray[1] = points[pointsBegin].pos - perpPrev * points[pointsBegin].width * 0.5f;
vertArray[1] = points[pointsBegin].pos - perpPrev * points[pointsBegin].width * 0.5;
bottomPoints.emplace_back(convert_vec2<SkPoint>(vertArray[1]));
newIndex = 2;
if(d.hasRoundCaps && pointsBegin == 0) {
Vector2f arcDirStart = (convert_vec2<Vector2f>(vertArray[0]) - points[0].pos).normalized();
Vector2f arcDirEnd = (convert_vec2<Vector2f>(vertArray[1]) - points[0].pos).normalized();
Vector2f arcDirCenter = (points[0].pos - points[1].pos).normalized();
std::vector<Vector2f> arcPoints = arc_vec<float>(points[0].pos, arcDirStart, arcDirEnd, arcDirCenter, points[0].width * 0.5f, ARC_SMOOTHNESS);
arcPoints.emplace(arcPoints.begin(), convert_vec2<Vector2f>(vertArray[0]));
arcPoints.emplace_back(convert_vec2<Vector2f>(vertArray[1]));
Vector2d arcDirStart = (vertArray[0] - points[0].pos).normalized();
Vector2d arcDirEnd = (vertArray[1] - points[0].pos).normalized();
Vector2d arcDirCenter = (points[0].pos - points[1].pos).normalized();
std::vector<Vector2d> arcPoints = arc_vec<double>(points[0].pos, arcDirStart, arcDirEnd, arcDirCenter, points[0].width * 0.5, ARC_SMOOTHNESS);
arcPoints.emplace(arcPoints.begin(), vertArray[0]);
arcPoints.emplace_back(vertArray[1]);
for(size_t i = 0; i < arcPoints.size() - 1; i++) {
if(passTriangleFunc(points[0].pos, arcPoints[i], arcPoints[i + 1])) return;
bottomPoints.emplace_back(convert_vec2<SkPoint>(arcPoints[i]));
@ -370,9 +381,9 @@ void BrushStrokeCanvasComponent::create_triangles(const std::function<bool(Vecto
if(j >= pointsEnd)
j = pointsEnd - 1;
Vector2f v1 = points[j - 1].pos - points[j].pos;
Vector2f v2 = points[j].pos - points[j + 1].pos;
Vector2f perp = perpendicular_vec2((v1 + v2).eval()).normalized();
Vector2d v1 = points[j - 1].pos - points[j].pos;
Vector2d v2 = points[j].pos - points[j + 1].pos;
Vector2d perp = perpendicular_vec2((v1 + v2).eval()).normalized();
if(std::isnan(perp.dot(perpPrev))) {
std::cout << "NAN FOUND" << std::endl;
std::cout << v1 << std::endl;
@ -384,12 +395,12 @@ void BrushStrokeCanvasComponent::create_triangles(const std::function<bool(Vecto
if(perp.dot(perpPrev) < 0.0)
perp = -perp;
vertArray[newIndex] = points[j].pos + perp * 0.5f * points[j].width;
vertArray[newIndex] = points[j].pos + perp * 0.5 * points[j].width;
topPoints.emplace_back(convert_vec2<SkPoint>(vertArray[newIndex]));
newIndex = (newIndex + 1) % 3;
if(passTriangleFunc(vertArray[0], vertArray[1], vertArray[2])) return;
vertArray[newIndex] = points[j].pos - perp * 0.5f * points[j].width;
vertArray[newIndex] = points[j].pos - perp * 0.5 * points[j].width;
bottomPoints.emplace_back(convert_vec2<SkPoint>(vertArray[newIndex]));
newIndex = (newIndex + 1) % 3;
if(passTriangleFunc(vertArray[0], vertArray[1], vertArray[2])) return;
@ -397,9 +408,9 @@ void BrushStrokeCanvasComponent::create_triangles(const std::function<bool(Vecto
perpPrev = perp;
}
Vector2f rectDir = points[pointsEnd - 1].pos - points[pointsEnd].pos;
Vector2d rectDir = points[pointsEnd - 1].pos - points[pointsEnd].pos;
rectDir.normalize();
Vector2f perp = perpendicular_vec2(rectDir);
Vector2d perp = perpendicular_vec2(rectDir);
if(perp.dot(perpPrev) < 0.0)
perp = -perp;
vertArray[newIndex] = points[pointsEnd].pos + perp * points[pointsEnd].width * 0.5;
@ -415,26 +426,26 @@ void BrushStrokeCanvasComponent::create_triangles(const std::function<bool(Vecto
// Render wedge
if(pointsEnd != points.size() - 1) {
// Find 4 points involved in intersection
Vector2f currentP1 = points[pointsEnd].pos - perp * points[pointsEnd].width * 0.5;
Vector2f currentP2 = points[pointsEnd].pos + perp * points[pointsEnd].width * 0.5;
Vector2f nextRectDir = points[pointsEnd + 1].pos - points[pointsEnd].pos;
Vector2d currentP1 = points[pointsEnd].pos - perp * points[pointsEnd].width * 0.5;
Vector2d currentP2 = points[pointsEnd].pos + perp * points[pointsEnd].width * 0.5;
Vector2d nextRectDir = points[pointsEnd + 1].pos - points[pointsEnd].pos;
nextRectDir.normalize();
Vector2f nextPerp = perpendicular_vec2(nextRectDir);
Vector2f nextP1 = points[pointsEnd].pos - nextPerp * points[pointsEnd].width * 0.5;
Vector2f nextP2 = points[pointsEnd].pos + nextPerp * points[pointsEnd].width * 0.5;
Vector2d nextPerp = perpendicular_vec2(nextRectDir);
Vector2d nextP1 = points[pointsEnd].pos - nextPerp * points[pointsEnd].width * 0.5;
Vector2d nextP2 = points[pointsEnd].pos + nextPerp * points[pointsEnd].width * 0.5;
// Find center of wedge
Vector2f wedgeCenter = line_line_intersection(currentP1, currentP2, nextP1, nextP2);
Vector2d wedgeCenter = line_line_intersection(currentP1, currentP2, nextP1, nextP2);
Vector2f wedgeP1 = ((currentP1 - currentP2).dot(nextRectDir)) <= 0.0 ? currentP1 : currentP2;
Vector2f wedgeP2 = ((nextP1 - nextP2).dot(rectDir)) <= 0.0 ? nextP1 : nextP2;
bool isTopWedge = wedgeP1 == convert_vec2<Vector2f>(topPoints.back());
Vector2d wedgeP1 = ((currentP1 - currentP2).dot(nextRectDir)) <= 0.0 ? currentP1 : currentP2;
Vector2d wedgeP2 = ((nextP1 - nextP2).dot(rectDir)) <= 0.0 ? nextP1 : nextP2;
bool isTopWedge = convert_vec2<SkPoint>(wedgeP1) == topPoints.back();
float arcRadius;
double arcRadius;
std::vector<Vector2f> arcPoints;
std::vector<Vector2d> arcPoints;
if(wedgeCenter.x() == std::numeric_limits<float>::max()) {
if(wedgeCenter.x() == std::numeric_limits<double>::max()) {
wedgeCenter = (currentP1 + currentP2) * 0.5;
wedgeP1 = currentP1;
wedgeP2 = currentP2;
@ -461,12 +472,12 @@ void BrushStrokeCanvasComponent::create_triangles(const std::function<bool(Vecto
bottomPoints.emplace_back(convert_vec2<SkPoint>(arcPoints.back()));
}
else if(d.hasRoundCaps) { // It's the last point, cap it off
Vector2f arcDirStart = (convert_vec2<Vector2f>(vertArray[(newIndex + 1) % 3]) - points.back().pos).normalized();
Vector2f arcDirEnd = (convert_vec2<Vector2f>(vertArray[(newIndex + 2) % 3]) - points.back().pos).normalized();
Vector2f arcDirCenter = -rectDir;
std::vector<Vector2f> arcPoints = arc_vec<float>(points.back().pos, arcDirStart, arcDirEnd, arcDirCenter, points.back().width * 0.5f, ARC_SMOOTHNESS);
arcPoints.emplace(arcPoints.begin(), convert_vec2<Vector2f>(vertArray[(newIndex + 1) % 3]));
arcPoints.emplace_back(convert_vec2<Vector2f>(vertArray[(newIndex + 2) % 3]));
Vector2d arcDirStart = (vertArray[(newIndex + 1) % 3] - points.back().pos).normalized();
Vector2d arcDirEnd = (vertArray[(newIndex + 2) % 3] - points.back().pos).normalized();
Vector2d arcDirCenter = -rectDir;
std::vector<Vector2d> arcPoints = arc_vec(points.back().pos, arcDirStart, arcDirEnd, arcDirCenter, points.back().width * 0.5, ARC_SMOOTHNESS);
arcPoints.emplace(arcPoints.begin(), vertArray[(newIndex + 1) % 3]);
arcPoints.emplace_back(vertArray[(newIndex + 2) % 3]);
for(size_t i = 0; i < arcPoints.size() - 1; i++) {
if(passTriangleFunc(points.back().pos, arcPoints[i], arcPoints[i + 1])) return;
topPoints.emplace_back(convert_vec2<SkPoint>(arcPoints[i]));
@ -486,9 +497,9 @@ void BrushStrokeCanvasComponent::create_collider() {
if(d.points->empty())
return;
ColliderCollection<float> strokeObjects;
std::vector<BrushStrokeCanvasComponentPoint> points = smooth_points(0, d.points->size() - 1, DEFAULT_SMOOTHNESS);
create_triangles([&](Vector2f a, Vector2f b, Vector2f c) {
strokeObjects.triangle.emplace_back(a, b, c);
std::vector<BrushStrokeCanvasComponentPointDouble> points = smooth_points(0, d.points->size() - 1, DEFAULT_SMOOTHNESS);
create_triangles([&](Vector2d a, Vector2d b, Vector2d c) {
strokeObjects.triangle.emplace_back(a.cast<float>(), b.cast<float>(), c.cast<float>());
return false;
}, points, 0, nullptr);
strokeObjects.recalculate_bounds();
@ -526,9 +537,9 @@ bool BrushStrokeCanvasComponent::collides_within_coords(const SCollision::Collid
return false;
bool toRet = false;
std::vector<BrushStrokeCanvasComponentPoint> points = smooth_points(0, d.points->size() - 1, DEFAULT_SMOOTHNESS);
create_triangles([&](Vector2f a, Vector2f b, Vector2f c) {
toRet = SCollision::collide(checkAgainst, SCollision::Triangle<float>{a, b, c});
std::vector<BrushStrokeCanvasComponentPointDouble> points = smooth_points(0, d.points->size() - 1, DEFAULT_SMOOTHNESS);
create_triangles([&](Vector2d a, Vector2d b, Vector2d c) {
toRet = SCollision::collide(checkAgainst, SCollision::Triangle<float>{a.cast<float>(), b.cast<float>(), c.cast<float>()});
return toRet;
}, points, 0, nullptr);
return toRet;