func drawGrid() {
gl.Color4f(0.2, 0.2, 0.2, 1)
gl.Begin(gl.LINES)
for i := -0.5; i < Width; i += 1 {
gl.Vertex2f(gl.Float(-0.5), gl.Float(i))
gl.Vertex2f(gl.Float(life.Size), gl.Float(i))
gl.Vertex2f(gl.Float(i), -0.5)
gl.Vertex2f(gl.Float(i), gl.Float(life.Size))
}
gl.End()
}
func drawCells() {
if input.Zoom > 0 {
gl.PointSize(gl.Float(float64(Width) / float64(*flagSize) * input.Zoom))
}
gl.Color4f(1, 1, 1, 1)
gl.Enable(gl.POINT_SMOOTH)
gl.Begin(gl.POINTS)
for i, j := 0, 0; i < (life.Size * life.Size); i, j = i+life.Size, j+1 {
for k, v := range life.Cells[i : i+life.Size] {
if v {
gl.Vertex2f(gl.Float(k), gl.Float(j))
}
}
}
gl.End()
gl.Disable(gl.POINT_SMOOTH)
}
func (sb *spriteBox) Draw(region gui.Region) {
gl.Disable(gl.TEXTURE_2D)
gl.Color4d(sb.r, sb.g, sb.b, 1)
gl.Begin(gl.QUADS)
gl.Vertex2i(int32(region.X+region.Dx/3), int32(region.Y))
gl.Vertex2i(int32(region.X+region.Dx/3), int32(region.Y+region.Dy))
gl.Vertex2i(int32(region.X+region.Dx/3*2), int32(region.Y+region.Dy))
gl.Vertex2i(int32(region.X+region.Dx/3*2), int32(region.Y))
gl.End()
if sb.s != nil {
gl.Enable(gl.TEXTURE_2D)
tx, ty, tx2, ty2 := sb.s.Bind()
// fmt.Printf("Tex: %f %f %f %f\n", tx, ty, tx2, ty2)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Color4f(1, 1, 1, 1)
gl.Begin(gl.QUADS)
x := int32(region.X + region.Dx/2)
y := int32(region.Y + region.Dy/2)
gl.TexCoord2d(tx, -ty)
gl.Vertex2i(x-50, y-75)
gl.TexCoord2d(tx, -ty2)
gl.Vertex2i(x-50, y+75)
gl.TexCoord2d(tx2, -ty2)
gl.Vertex2i(x+50, y+75)
gl.TexCoord2d(tx2, -ty)
gl.Vertex2i(x+50, y-75)
gl.End()
gl.Color4d(1, 1, 1, 1)
text := fmt.Sprintf("%d : %s : %s", sb.s.Facing(), sb.s.Anim(), sb.s.AnimState())
if sb.top {
dict.RenderString(text, float64(region.X), float64(region.Y+region.Dy)-dict.MaxHeight(), 0, dict.MaxHeight(), gui.Left)
} else {
dict.RenderString(text, float64(region.X), float64(region.Y), 0, dict.MaxHeight(), gui.Left)
}
}
}
func drawScene() {
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Translatef(0, 0, -3.0)
gl.Rotatef(rotx, 1, 0, 0)
gl.Rotatef(roty, 0, 1, 0)
rotx += 0.5
roty += 0.5
gl.BindTexture(gl.TEXTURE_2D, texture)
gl.Color4f(1, 1, 1, 1)
gl.Begin(gl.QUADS)
gl.Normal3f(0, 0, 1)
gl.TexCoord2f(0, 0)
gl.Vertex3f(-1, -1, 1)
gl.TexCoord2f(1, 0)
gl.Vertex3f(1, -1, 1)
gl.TexCoord2f(1, 1)
gl.Vertex3f(1, 1, 1)
gl.TexCoord2f(0, 1)
gl.Vertex3f(-1, 1, 1)
gl.Normal3f(0, 0, -1)
gl.TexCoord2f(1, 0)
gl.Vertex3f(-1, -1, -1)
gl.TexCoord2f(1, 1)
gl.Vertex3f(-1, 1, -1)
gl.TexCoord2f(0, 1)
gl.Vertex3f(1, 1, -1)
gl.TexCoord2f(0, 0)
gl.Vertex3f(1, -1, -1)
gl.Normal3f(0, 1, 0)
gl.TexCoord2f(0, 1)
gl.Vertex3f(-1, 1, -1)
gl.TexCoord2f(0, 0)
gl.Vertex3f(-1, 1, 1)
gl.TexCoord2f(1, 0)
gl.Vertex3f(1, 1, 1)
gl.TexCoord2f(1, 1)
gl.Vertex3f(1, 1, -1)
gl.Normal3f(0, -1, 0)
gl.TexCoord2f(1, 1)
gl.Vertex3f(-1, -1, -1)
gl.TexCoord2f(0, 1)
gl.Vertex3f(1, -1, -1)
gl.TexCoord2f(0, 0)
gl.Vertex3f(1, -1, 1)
gl.TexCoord2f(1, 0)
gl.Vertex3f(-1, -1, 1)
gl.Normal3f(1, 0, 0)
gl.TexCoord2f(1, 0)
gl.Vertex3f(1, -1, -1)
gl.TexCoord2f(1, 1)
gl.Vertex3f(1, 1, -1)
gl.TexCoord2f(0, 1)
gl.Vertex3f(1, 1, 1)
gl.TexCoord2f(0, 0)
gl.Vertex3f(1, -1, 1)
gl.Normal3f(-1, 0, 0)
gl.TexCoord2f(0, 0)
gl.Vertex3f(-1, -1, -1)
gl.TexCoord2f(1, 0)
gl.Vertex3f(-1, -1, 1)
gl.TexCoord2f(1, 1)
gl.Vertex3f(-1, 1, 1)
gl.TexCoord2f(0, 1)
gl.Vertex3f(-1, 1, -1)
gl.End()
}
func UseColor(c Color) {
gl.Color4f(c.R, c.G, c.B, c.A)
}
func display2d() {
gl.Color4f(0, 1, 0, 1)
shapes.Rectangle(shapes.Point{100, 100, 0}, shapes.Point{10, 10, 0}, true)
}