func (w *World) Resize(width, height int) {
w.Width, w.Height = width, height
gl.Viewport(0, 0, gl.Sizei(width), gl.Sizei(height))
w.projection = mathgl.Perspective(60, float32(width)/float32(height), 1, 20)
w.projectionView = w.projection
w.projectionView.Mul4(w.view)
for _, obj := range w.objects {
obj.projectionView = w.projectionView
}
}
func NewWorld(width, height int) *World {
gl.Enable(gl.DEPTH_TEST)
gl.ClearColor(0.0, 0.0, 0.0, 0.0)
gl.Viewport(0, 0, gl.Sizei(width), gl.Sizei(height))
return &World{
Width: width,
Height: height,
objects: make([]*Cube, 0),
projection: mathgl.Perspective(60, float32(width)/float32(height), 1, 20),
view: mathgl.Ident4f(),
}
}