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Textures now render properly

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This commit is contained in:
Sasha Koshka
2023-02-27 16:38:33 -05:00
parent de10cde630
commit 8dd506a007
3 changed files with 33 additions and 9 deletions
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15
artist/patterns/texture.go
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@@ -19,13 +19,16 @@ func (pattern Texture) Draw (destination canvas.Canvas, clip image.Rectangle) {
dstData, dstStride := destination.Buffer()
srcData, srcStride := pattern.Buffer()
srcBounds := pattern.Bounds()
for y := bounds.Min.Y; y < bounds.Max.Y; y ++ {
for x := bounds.Min.X; x < bounds.Max.X; x ++ {
dstIndex := x + y * dstStride
point := image.Point { }
for point.Y = bounds.Min.Y; point.Y < bounds.Max.Y; point.Y ++ {
for point.X = bounds.Min.X; point.X < bounds.Max.X; point.X ++ {
srcPoint := point.Sub(realBounds.Min).Add(srcBounds.Min)
dstIndex := point.X + point.Y * dstStride
srcIndex :=
wrap(x - realBounds.Min.X, srcBounds.Min.X, srcBounds.Max.X) +
wrap(y - realBounds.Min.Y, srcBounds.Min.Y, srcBounds.Max.Y) * srcStride
wrap(srcPoint.X, srcBounds.Min.X, srcBounds.Max.X) +
wrap(srcPoint.Y, srcBounds.Min.Y, srcBounds.Max.Y) * srcStride
dstData[dstIndex] = srcData[srcIndex]
}}
}