simplify code in IMDraw
@@ -347,20 +347,12 @@ func (imd *IMDraw) fillPolygon() {
imd.tri.SetLen(imd.tri.Len() + 3*(len(points)-2))
for i, j := 1, off; i+1 < len(points); i, j = i+1, j+3 {
- (*imd.tri)[j+0].Position = points[0].pos
- (*imd.tri)[j+0].Color = points[0].col
- (*imd.tri)[j+0].Picture = points[0].pic
- (*imd.tri)[j+0].Intensity = points[0].in
-
- (*imd.tri)[j+1].Position = points[i].pos
- (*imd.tri)[j+1].Color = points[i].col
- (*imd.tri)[j+1].Picture = points[i].pic
- (*imd.tri)[j+1].Intensity = points[i].in
-
- (*imd.tri)[j+2].Position = points[i+1].pos
- (*imd.tri)[j+2].Color = points[i+1].col
- (*imd.tri)[j+2].Picture = points[i+1].pic
- (*imd.tri)[j+2].Intensity = points[i+1].in
+ for k, p := range []point{points[0], points[i], points[i+1]} {
+ (*imd.tri)[j+k].Position = p.pos
+ (*imd.tri)[j+k].Color = p.col
+ (*imd.tri)[j+k].Picture = p.pic
+ (*imd.tri)[j+k].Intensity = p.in
+ }
}
imd.applyMatrixAndMask(off)
