env

type AbstractOpenGlWindow struct {
	CallRender            RenderCallback
	CallResize            ResizeCallback
	CallOnMouseMove       MouseMoveCallback
	CallOnMouseButtonUp   MouseButtonCallback
	CallOnMouseButtonDown MouseButtonCallback
	CallOnMouseScroll     MouseScrollCallback
	CallModifier          ModifierCallback
	CallKey               KeyCallback
	CallCharCallback      CharCallback
	// contains filtered or unexported fields
}

type Application interface {
	// Init sets up the application for the given OpenGL window.
	Init(window OpenGlWindow)
}

type CharCallback func(char rune)

type KeyCallback func(key input.Key, modifier input.Modifier)

type ModifierCallback func(modifier input.Modifier)

type MouseButtonCallback func(buttonMask uint32, modifier input.Modifier)

type MouseMoveCallback func(x float32, y float32)

type MouseScrollCallback func(dx float32, dy float32)

type OpenGlWindow interface {
	// OpenGl returns the OpenGL API wrapper for this window.
	OpenGl() opengl.OpenGl
	// OnRender registers a callback function which shall be called to update the scene.
	OnRender(callback RenderCallback)

	// OnResize registers a callback function for sizing events.
	OnResize(callback ResizeCallback)
	// Size returns the dimensions of the window display area in pixel.
	Size() (width int, height int)
	// SetFullScreen sets the full screen state of the window.
	SetFullScreen(on bool)

	// SetCursorVisible controls whether the mouse cursor is currently visible.
	SetCursorVisible(visible bool)

	// OnMouseMove registers a callback function for mouse move events.
	OnMouseMove(callback MouseMoveCallback)
	// OnMouseButtonDown registers a callback function for mouse button down events.
	OnMouseButtonDown(callback MouseButtonCallback)
	// OnMouseButtonUp registers a callback function for mouse button up events.
	OnMouseButtonUp(callback MouseButtonCallback)
	// OnMouseScroll registers a callback function for mouse scroll events.
	OnMouseScroll(callback MouseScrollCallback)

	// OnKey registers a callback function for key events.
	OnKey(callback KeyCallback)
	// OnModifier registers a callback function for change of modifier events.
	OnModifier(callback ModifierCallback)
	// OnCharCallback registers a callback function for typed characters.
	OnCharCallback(callback CharCallback)
}

type RenderCallback func()

type ResizeCallback func(width int, height int)