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remove unnecessary and confusing Triangles(Color|Texture)Data

This commit is contained in:
faiface 2017-01-12 13:16:33 +01:00
parent f7fe00fe4d
commit bad60ef7fa
1 changed files with 8 additions and 98 deletions
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106
graphics.go
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@ -39,20 +39,6 @@ func (td *TrianglesData) Update(t Triangles) {
copy(*td, *t)
return
}
if t, ok := t.(*TrianglesColorData); ok {
for i := range *td {
(*td)[i].Position = (*t)[i].Position
(*td)[i].Color = (*t)[i].Color
}
return
}
if t, ok := t.(*TrianglesTextureData); ok {
for i := range *td {
(*td)[i].Position = (*t)[i].Position
(*td)[i].Texture = (*t)[i].Texture
}
return
}
// slow path manual copy
if t, ok := t.(TrianglesPosition); ok {
@ -101,82 +87,6 @@ func (td *TrianglesData) Texture(i int) Vec {
return (*td)[i].Texture
}
// TrianglesColorData is same as TrianglesData, except is lacks Texture property.
type TrianglesColorData TrianglesData
// Len returns the number of vertices in TrianglesColorData.
func (td *TrianglesColorData) Len() int {
return (*TrianglesData)(td).Len()
}
// Draw is unimplemented for TrianglesColorData and panics.
func (td *TrianglesColorData) Draw() {
(*TrianglesData)(td).Draw()
}
// Update copies vertex properties from the supplied Triangles into this TrianglesColorData.
func (td *TrianglesColorData) Update(t Triangles) {
(*TrianglesData)(td).Update(t)
}
// Append adds supplied Triangles to the end of the TrianglesColorData.
func (td *TrianglesColorData) Append(t Triangles) {
(*TrianglesData)(td).Append(t)
}
// Copy returns an exact independent copy of this TrianglesColorData.
func (td *TrianglesColorData) Copy() Triangles {
return (*TrianglesColorData)((*TrianglesData)(td).Copy().(*TrianglesData))
}
// Position returns the position property of i-th vertex.
func (td *TrianglesColorData) Position(i int) Vec {
return (*TrianglesData)(td).Position(i)
}
// Color returns the color property of i-th vertex.
func (td *TrianglesColorData) Color(i int) color.Color {
return (*TrianglesData)(td).Color(i)
}
// TrianglesTextureData is same as TrianglesData, except is lacks Color property.
type TrianglesTextureData TrianglesData
// Len returns the number of vertices in TrianglesTextureData.
func (td *TrianglesTextureData) Len() int {
return (*TrianglesData)(td).Len()
}
// Draw is unimplemented for TrianglesTextureData and panics.
func (td *TrianglesTextureData) Draw() {
(*TrianglesData)(td).Draw()
}
// Update copies vertex properties from the supplied Triangles into this TrianglesTextureData.
func (td *TrianglesTextureData) Update(t Triangles) {
(*TrianglesData)(td).Update(t)
}
// Append adds supplied Triangles to the end of the TrianglesTextureData.
func (td *TrianglesTextureData) Append(t Triangles) {
(*TrianglesData)(td).Append(t)
}
// Copy returns an exact independent copy of this TrianglesTextureData.
func (td *TrianglesTextureData) Copy() Triangles {
return (*TrianglesTextureData)((*TrianglesData)(td).Copy().(*TrianglesData))
}
// Position returns the position property of i-th vertex.
func (td *TrianglesTextureData) Position(i int) Vec {
return (*TrianglesData)(td).Position(i)
}
// Texture returns the texture property of i-th vertex.
func (td *TrianglesTextureData) Texture(i int) Vec {
return (*TrianglesData)(td).Texture(i)
}
// TrianglesDrawer is a helper type that wraps Triangles and turns them into a Drawer.
//
// It does so by creating a separate Triangles instance for each Target. The instances are
@ -245,7 +155,7 @@ type Sprite struct {
// the dimensions of the Picture.
func NewSprite(pic *Picture) *Sprite {
s := &Sprite{
td: TrianglesDrawer{Triangles: &TrianglesTextureData{}},
td: TrianglesDrawer{Triangles: &TrianglesData{}},
}
s.SetPicture(pic)
return s
@ -254,13 +164,13 @@ func NewSprite(pic *Picture) *Sprite {
// SetPicture changes the Picture of the Sprite and resizes it accordingly.
func (s *Sprite) SetPicture(pic *Picture) {
w, h := pic.Bounds().Size.XY()
s.td.Update(&TrianglesTextureData{
{Position: V(0, 0), Texture: V(0, 0)},
{Position: V(w, 0), Texture: V(1, 0)},
{Position: V(w, h), Texture: V(1, 1)},
{Position: V(0, 0), Texture: V(0, 0)},
{Position: V(w, h), Texture: V(1, 1)},
{Position: V(0, h), Texture: V(0, 1)},
s.td.Update(&TrianglesData{
{Position: V(0, 0), Color: NRGBA{1, 1, 1, 1}, Texture: V(0, 0)},
{Position: V(w, 0), Color: NRGBA{1, 1, 1, 1}, Texture: V(1, 0)},
{Position: V(w, h), Color: NRGBA{1, 1, 1, 1}, Texture: V(1, 1)},
{Position: V(0, 0), Color: NRGBA{1, 1, 1, 1}, Texture: V(0, 0)},
{Position: V(w, h), Color: NRGBA{1, 1, 1, 1}, Texture: V(1, 1)},
{Position: V(0, h), Color: NRGBA{1, 1, 1, 1}, Texture: V(0, 1)},
})
s.pic = pic
}