// NewWebGlWindow tries to initialize the WebGL environment and returns a
// new window instance.
func NewWebGlWindow(canvas *js.Object) (window *WebGlWindow, err error) {
attrs := webgl.DefaultAttributes()
attrs.Alpha = false
glContext, err := webgl.NewContext(canvas, attrs)
if err == nil {
window = &WebGlWindow{
AbstractOpenGlWindow: env.InitAbstractOpenGlWindow(),
canvas: canvas,
glWrapper: NewWebGl(glContext)}
window.registerMouseListener()
window.startRenderLoop()
}
return
}
// NewOpenGlWindow tries to initialize the OpenGL environment and returns a
// new window instance.
func NewOpenGlWindow() (window *OpenGlWindow, err error) {
if err = glfw.Init(); err == nil {
glfw.WindowHint(glfw.ClientAPI, glfw.OpenGLAPI)
glfw.WindowHint(glfw.ContextVersionMajor, 3)
glfw.WindowHint(glfw.ContextVersionMinor, 2)
glfw.WindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
glfw.WindowHint(glfw.OpenGLForwardCompatible, glfw.True)
var glfwWindow *glfw.Window
glfwWindow, err = glfw.CreateWindow(320, 200, "shocked", nil, nil)
if err == nil {
glfwWindow.MakeContextCurrent()
window = &OpenGlWindow{
AbstractOpenGlWindow: env.InitAbstractOpenGlWindow(),
glfwWindow: glfwWindow,
glWrapper: NewOpenGl()}
glfwWindow.SetCursorPosCallback(window.onCursorPos)
glfwWindow.SetMouseButtonCallback(window.onMouseButton)
glfwWindow.SetScrollCallback(window.onMouseScroll)
}
}
return
}