opengl

Documentation

Index

• type RenderCommands
• type RenderSystem
  • func NewOpenGLRenderSystem(cam *camera.Camera, commands *RenderCommands) *RenderSystem
  • func (s *RenderSystem) EnsureSpritesBufLen(minLen int)
  • func (s *RenderSystem) Remove(e ecs.BasicEntity)
  • func (s *RenderSystem) Update(dt float32)
• type SpriteRenderCommand

Types

type RenderCommands

type RenderCommands struct {
	Sprites []SpriteRenderCommand
}

type RenderSystem

type RenderSystem struct {
	// contains filtered or unexported fields
}

RenderSystem defines an OpenGL-based rendering system.

func NewOpenGLRenderSystem

func NewOpenGLRenderSystem(cam *camera.Camera, commands *RenderCommands) *RenderSystem

func (*RenderSystem) EnsureSpritesBufLen

func (s *RenderSystem) EnsureSpritesBufLen(minLen int)

func (*RenderSystem) Remove

func (s *RenderSystem) Remove(e ecs.BasicEntity)

func (*RenderSystem) Update

func (s *RenderSystem) Update(dt float32)

type SpriteRenderCommand

type SpriteRenderCommand struct {
	Scale           [2]float32
	Size            mgl32.Vec2
	Position        mgl32.Vec3
	Offset          mgl32.Vec2
	RotationRadians float32
	Texture         *graphic.Texture
	FlipVertically  bool
}