Fix inverted Y coordinate passed to per-pixel expressions

kblaschke · kblaschke · commit 8be21152a73a · 2026-02-16T14:02:13.000+01:00
diff --git a/src/libprojectM/MilkdropPreset/PerPixelMesh.cpp b/src/libprojectM/MilkdropPreset/PerPixelMesh.cpp
@@ -230,7 +230,7 @@ void PerPixelMesh::CalculateMesh(const PresetState& presetState, const PerFrameC
             if (perPixelContext.perPixelCodeHandle)
             {
                 *perPixelContext.x = static_cast<double>(curVertex.X() * 0.5f * presetState.renderContext.aspectX + 0.5f);
-                *perPixelContext.y = static_cast<double>(curVertex.Y() * -0.5f * presetState.renderContext.aspectY + 0.5f);
+                *perPixelContext.y = static_cast<double>(curVertex.Y() * 0.5f * presetState.renderContext.aspectY + 0.5f);
                 *perPixelContext.rad = static_cast<double>(curRadiusAngle.radius);
                 *perPixelContext.ang = static_cast<double>(curRadiusAngle.angle);
                 *perPixelContext.zoom = static_cast<double>(*perFrameContext.zoom);

Original file line number	Diff line number	Diff line change
`@@ -230,7 +230,7 @@ void PerPixelMesh::CalculateMesh(const PresetState& presetState, const PerFrameC`
`230`	`230`	`if (perPixelContext.perPixelCodeHandle)`
`231`	`231`	`{`
`232`	`232`	`perPixelContext.x = static_cast<double>(curVertex.X() 0.5f * presetState.renderContext.aspectX + 0.5f);`
`233`		`- perPixelContext.y = static_cast<double>(curVertex.Y() -0.5f * presetState.renderContext.aspectY + 0.5f);`
	`233`	`+ perPixelContext.y = static_cast<double>(curVertex.Y() 0.5f * presetState.renderContext.aspectY + 0.5f);`
`234`	`234`	`*perPixelContext.rad = static_cast<double>(curRadiusAngle.radius);`
`235`	`235`	`*perPixelContext.ang = static_cast<double>(curRadiusAngle.angle);`
`236`	`236`	`perPixelContext.zoom = static_cast<double>(perFrameContext.zoom);`