// TODO the switch number
func (t *SwitchModel) Draw() {
modelViewBackup := t.modelView
s := t.sw
var rotatemv mathgl.Mat4f
if s.rotate == 0 {
rotatemv = mathgl.Ident4f()
} else {
rotatemv = mathgl.HomogRotate3D(t.sw.rotate, [3]float32{0, 0, 1})
}
var scalemv mathgl.Mat4f
if s.scale == 0 {
scalemv = mathgl.Ident4f()
} else {
scalemv = mathgl.Scale3D(s.scale, s.scale, 0)
}
blockmv := scalemv.Mul4(rotatemv)
// Draw the associated blocks
// top left block
t.drawBlock(g.level.blocks[s.line][s.col], blockmv.Mul4(topLeftModelView))
// top right block
t.drawBlock(g.level.blocks[s.line][s.col+1], blockmv.Mul4(topRightModelView))
// bottom right block
t.drawBlock(g.level.blocks[s.line+1][s.col+1], blockmv.Mul4(bottomRightModelView))
// bottom left block
t.drawBlock(g.level.blocks[s.line+1][s.col], blockmv.Mul4(bottomLeftModelView))
t.ModelBase.Draw()
t.modelView = modelViewBackup
}
func (t *Background) Draw() {
if t.angle > math.Pi {
t.angle = t.angle - math.Pi
} else {
t.angle += 0.03
}
modelViewBackup := t.modelView
t.modelView = t.modelView.Mul4(mathgl.HomogRotate3D(-t.angle, [3]float32{0, 0, 1}))
t.ModelBase.Draw()
t.modelView = modelViewBackup
}
func (c *Cube) Rotate(angle float32, axis mathgl.Vec3f) {
c.model = mathgl.HomogRotate3D(angle, axis)
}