Use embedding for Transform instead of the T name.

src/cmd/test/main.go

@@ -26,9 +26,9 @@ type Rect struct {
 func NewRect() *Rect {
 	return &Rect{&gx.DrawableRectangle{
 			Rectangle: gx.Rectangle{
+				Transform: gx.T(),
 				W: 200,
 				H: 400,
-				T: gx.T(),
 			},
 			Color: gx.Color{
 				gx.MaxColorV,
@@ -60,14 +60,16 @@ var (
 func NewPlayer() *Player {
 	ret := &Player{
 		Sprite: &gx.Sprite{
-			T: gx.Transform {
+			Transform: gx.Transform {
 				S: gx.Vector{5, 5},
 				RA: gx.Vector{320, 240},
 			},
 			Visible: true,
+			ShaderOptions: gx.ShaderOptions {
 				Shader: gx.SolidWhiteColorShader,
 				Uniforms: make(map[string] any),
 			},
+		},
 		MoveSpeed: 90.,
 		ScaleSpeed: .2,
 	}
@@ -80,7 +82,7 @@ func NewPlayer() *Player {
 func (p *Player) Start(e *gx.Engine, v ...any) {
 	fmt.Println("starting")
 	c := e.Camera()
-	c.T.RA = gx.V(360, -240)
+	c.RA = gx.V(360, -240)
 }
 
 func (p *Player) Update(e *gx.Engine) error {
@@ -91,51 +93,51 @@ func (p *Player) Update(e *gx.Engine) error {
 	p.Uniforms["Random"] = any(rand.Float32())
 	for _, v := range keys {switch v {
 	case ebiten.KeyArrowUp :
-		c.T.P.Y += p.MoveSpeed * dt
+		c.P.Y += p.MoveSpeed * dt
 	case ebiten.KeyArrowLeft :
-		c.T.P.X -= p.MoveSpeed * dt
+		c.P.X -= p.MoveSpeed * dt
 	case ebiten.KeyArrowDown :
-		c.T.P.Y -= p.MoveSpeed * dt
+		c.P.Y -= p.MoveSpeed * dt
 	case ebiten.KeyArrowRight :
-		c.T.P.X += p.MoveSpeed * dt
+		c.P.X += p.MoveSpeed * dt
 	case ebiten.KeyW :
-		p.T.P.Y += p.MoveSpeed * dt
+		p.P.Y += p.MoveSpeed * dt
 	case ebiten.KeyA :
-		p.T.P.X -= p.MoveSpeed * dt
+		p.P.X -= p.MoveSpeed * dt
 	case ebiten.KeyS :
-		p.T.P.Y -= p.MoveSpeed * dt
+		p.P.Y -= p.MoveSpeed * dt
 	case ebiten.KeyD :
-		p.T.P.X += p.MoveSpeed * dt
+		p.P.X += p.MoveSpeed * dt
 	case ebiten.KeyR :
-		c.T.R += gx.Pi * p.ScaleSpeed * dt
+		c.R += gx.Pi * p.ScaleSpeed * dt
 	case ebiten.KeyT :
-		c.T.R -= gx.Pi * p.ScaleSpeed * dt
+		c.R -= gx.Pi * p.ScaleSpeed * dt
 	case ebiten.KeyF :
 		if e.KeyIsPressed(ebiten.KeyShift) {
-			c.T.S.X -= gx.Pi * p.ScaleSpeed * dt
+			c.S.X -= gx.Pi * p.ScaleSpeed * dt
 		} else {
-			c.T.S.X += gx.Pi * p.ScaleSpeed * dt
+			c.S.X += gx.Pi * p.ScaleSpeed * dt
 		}
 	case ebiten.KeyG :
 		if e.KeyIsPressed(ebiten.KeyShift) {
-			c.T.S.Y -= gx.Pi * p.ScaleSpeed * dt
+			c.S.Y -= gx.Pi * p.ScaleSpeed * dt
 		} else {
-			c.T.S.Y += gx.Pi * p.ScaleSpeed * dt
+			c.S.Y += gx.Pi * p.ScaleSpeed * dt
 		}
 	case ebiten.KeyZ :
 		if e.KeyIsPressed(ebiten.KeyShift) {
-			c.T.RA.X -= gx.Pi * p.MoveSpeed * dt
+			c.RA.X -= gx.Pi * p.MoveSpeed * dt
 		} else {
-			c.T.RA.X += gx.Pi * p.MoveSpeed * dt
+			c.RA.X += gx.Pi * p.MoveSpeed * dt
 		}
-		log.Println(c.T.RA.X)
+		log.Println(c.RA.X)
 	case ebiten.KeyX :
 		if e.KeyIsPressed(ebiten.KeyShift) {
-			c.T.RA.Y -= gx.Pi * p.MoveSpeed * dt
+			c.RA.Y -= gx.Pi * p.MoveSpeed * dt
 		} else {
-			c.T.RA.Y += gx.Pi * p.MoveSpeed * dt
+			c.RA.Y += gx.Pi * p.MoveSpeed * dt
 		}
-		log.Println(c.T.RA.Y)
+		log.Println(c.RA.Y)
 	case ebiten.Key0 :
 		e.Del(p)
 	}}

src/gx/camera.go

@@ -3,7 +3,7 @@ package gx
 // Implements the camera component
 // for the main window.
 type Camera struct {
-	T Transform
+	Transform
 }
 
 // Returns the matrix satysfying camera
@@ -21,20 +21,20 @@ func (c *Camera)RealMatrix(
 
 	if scale {
 		g.Scale(
-			c.T.S.X,
-			c.T.S.Y,
+			c.S.X,
+			c.S.Y,
 		)
 	}
 
 	g.Translate(
-		-c.T.P.X,
-		c.T.P.Y,
+		-c.P.X,
+		c.P.Y,
 	)
-	g.Rotate(-c.T.R)
+	g.Rotate(-c.R)
 
 	g.Translate(
-		c.T.RA.X,
-		-c.T.RA.Y,
+		c.RA.X,
+		-c.RA.Y,
 	)
 
 	return *g

src/gx/main.go

@@ -63,7 +63,7 @@ func New(
 			*poolx.Pool[Drawer],
 		](true),
 		camera: &Camera{
-			T: Transform{
+			Transform: Transform{
 					S: Vector{1, 1},
 			},
 		},

src/gx/rect.go

@@ -12,7 +12,7 @@ type Rectangle struct {
 	// Position of up left corner
 	// and the point to
 	// rotate around(relatively of position, not absolute).
-	T Transform
+	Transform
 	// Width and height.
 	W, H Float
 	
@@ -21,19 +21,13 @@ type Rectangle struct {
 // The type describes rectangle that can be drawn.
 type DrawableRectangle struct {
 	Rectangle
+	ShaderOptions	
 	
 	// Solid color of the rectangle.
 	// Will be ignored if the Shader
 	// field is not nil.
 	Color Color
 	
-	// Shader to be applied
-	Shader *Shader
-	// Shader variables.
-	Uniforms map[string] any
-	// Shader images
-	Images [4]*Image
-	
 	// Should be draw or not.
 	Visible bool
 }
@@ -73,7 +67,7 @@ func (r *DrawableRectangle) Draw(
 	e *Engine,
 	i *Image,
 ) {
-	t := r.T
+	t := r.Transform
 	
 	// Draw solid color if no shader.
 	if r.Shader == nil {

src/gx/sprite.go

@@ -5,10 +5,8 @@ import (
 )
 
 type Sprite struct {
-	T Transform
-	Shader *Shader
-	Images [4]*Image
-	Uniforms map[string] any
+	Transform
+	ShaderOptions
 	Floating, Visible bool
 }
 
@@ -23,7 +21,7 @@ func (s *Sprite) Draw(
 	
 	m := &Matrix{}
 
-	m.Concat(s.T.Matrix(e))
+	m.Concat(s.Matrix(e))
 	if !s.Floating {
 		m.Concat(e.Camera().RealMatrix(
 			e,