Method makeModelMatrix

common/render_shaders_blendmap.go:417–427

(ren *RenderComponent, space *SpaceComponent)

}

func (s *blendmapShader) makeModelMatrix(ren *RenderComponent, space *SpaceComponent) *engo.Matrix {
	// Instead of creating a new model matrix every time, we instead store a global one as a struct member
	// and just reset it for every sprite. This prevents us from allocating a bunch of new Matrix instances in memory
	// ultimately saving on GC activity.
	s.modelMatrix.Identity().Scale(engo.GetGlobalScale().X, engo.GetGlobalScale().Y).Translate(space.Position.X, space.Position.Y)
	if space.Rotation != 0 {
		s.modelMatrix.Rotate(space.Rotation)
	}
	s.modelMatrix.Scale(ren.Scale.X, ren.Scale.Y)
	return s.modelMatrix
}

func (s *blendmapShader) generateBufferContent(ren *RenderComponent, space *SpaceComponent, buffer []float32) bool {
	// We shouldn't use SpaceComponent to get width/height, because this usually already contains the Scale (which