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Middle of work with infinite zoom grid

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This commit is contained in:
Yousef Khadadeh 2025-09-12 09:54:49 +03:00
parent 1601de4255
commit 8cb89c40d6
8 changed files with 31 additions and 16 deletions
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15
src/WorldGrid.cpp
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@ -99,7 +99,7 @@ sk_sp<SkShader> WorldGrid::get_shader(GridType gType, const SkColor4f& gridColor
}
SkRuntimeShaderBuilder builder(runtimeEffect);
builder.uniform("gridColor") = gridColor;
builder.uniform("gridScale") = gridScale;
builder.uniform("gridScale") = 1.0f;
sk_sp<SkShader> s = builder.makeShader();
return s;
}
@ -117,10 +117,12 @@ void WorldGrid::draw(GridManager& gMan, SkCanvas* canvas, const DrawData& drawDa
float alteredZoom = static_cast<float>(((size / WorldScalar(GRID_CACHE_SIZE_INT)) / drawData.cam.c.inverseScale));
if(alteredZoom > 0.4f) {
Vector2f fracCamPos;
WorldVec fracCamPosWorld;
fracCamPos.x() = static_cast<float>((drawData.cam.c.pos.x() % size) / drawData.cam.c.inverseScale);
fracCamPos.y() = static_cast<float>((drawData.cam.c.pos.y() % size) / drawData.cam.c.inverseScale);
fracCamPosWorld.x() = ((drawData.cam.c.pos.x() + offset.x()) % size) / drawData.cam.c.inverseScale;
fracCamPosWorld.y() = ((drawData.cam.c.pos.y() + offset.y()) % size) / drawData.cam.c.inverseScale;
Vector2f fracCamPos = fracCamPosWorld.cast<float>();
SkPaint linePaint;
SkColor4f pointColor = gMan.world.canvasTheme.toolFrontColor;
@ -128,13 +130,8 @@ void WorldGrid::draw(GridManager& gMan, SkCanvas* canvas, const DrawData& drawDa
linePaint.setShader(get_shader(gridType, pointColor, alteredZoom));
canvas->save();
canvas->rotate(-drawData.cam.c.rotation * 180.0 / std::numbers::pi);
canvas->translate(-fracCamPos.x(), -fracCamPos.y());
canvas->scale(alteredZoom, alteredZoom);
canvas->drawPaint(linePaint);
canvas->restore();
}
}