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vector: Bug fix: wrong color value

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This commit is contained in:
Hajime Hoshi 2019-04-14 02:11:25 +09:00
parent 8d912a402f
commit 6bd9ef6abd
2 changed files with 2 additions and 2 deletions
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2
examples/vector/main.go
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@ -86,7 +86,7 @@ func update(screen *ebiten.Image) error {
op := &vector.DrawPathOptions{} op := &vector.DrawPathOptions{}
op.LineWidth = 4 op.LineWidth = 4
op.StrokeColor = color.White op.StrokeColor = color.RGBA{0xdb, 0x56, 0x20, 0xff}
path.Draw(screen, op) path.Draw(screen, op)
return nil return nil

2
vector/path.go
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@ -76,7 +76,7 @@ func (p *Path) strokeVertices(lineWidth float32, clr color.Color) (vertices []eb
sw, sh := emptyImage.Size() sw, sh := emptyImage.Size()
r, g, b, a := clr.RGBA() r, g, b, a := clr.RGBA()
rf, gf, bf, af := float32(r/0xffff), float32(g/0xffff), float32(b/0xffff), float32(a/0xffff) rf, gf, bf, af := float32(r)/0xffff, float32(g)/0xffff, float32(b)/0xffff, float32(a)/0xffff
for i, s := range p.segs { for i, s := range p.segs {
si, co := math.Sincos(s.atan2() + math.Pi/2) si, co := math.Sincos(s.atan2() + math.Pi/2)
dx, dy := float32(co)*lineWidth/2, float32(si)*lineWidth/2 dx, dy := float32(co)*lineWidth/2, float32(si)*lineWidth/2