func init_() {
//pos := []float64{5.0, 5.0, 10.0, 0.0}
colors := map[string][]float32{
"0": {0.7, 0.7, 0.7, 1.0},
"1": {1.0, 0.0, 0.0, 1.0},
"2": {1.0, 0.6, 0.0, 1.0},
"3": {1.0, 1.0, 0.0, 1.0},
"4": {0.0, 1.0, 0.0, 1.0},
"5": {0.0, 0.0, 1.0, 1.0},
"6": {0.0, 0.6, 1.0, 1.0},
"7": {1.0, 0.0, 1.0, 1.0},
"8": {1.0, 1.0, 1.0, 1.0},
"9": {0.3, 0.3, 0.3, 1.0},
}
fetchChunks(2, 2)
gl.ShadeModel(gl.SMOOTH)
gl.ClearColor(0.2, 0.2, 0.6, 0.0)
gl.ClearDepth(1.0)
gl.Enable(gl.DEPTH_TEST)
gl.DepthFunc(gl.LEQUAL)
gl.Enable(gl.COLOR_MATERIAL)
gl.Enable(gl.CULL_FACE)
gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)
gl.Hint(gl.LINE_SMOOTH_HINT, gl.NICEST)
gl.Lightfv(gl.LIGHT0, gl.AMBIENT, lightAmbient)
gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, lightDiffuse)
gl.Lightfv(gl.LIGHT0, gl.POSITION, lightPosition)
gl.Enable(gl.LIGHT0)
gl.Enable(gl.LIGHTING)
for name, color := range colors {
/* make a cube */
cubes[name] = gl.GenLists(1)
gl.NewList(cubes[name], gl.COMPILE)
cube(color)
gl.EndList()
}
if *printInfo {
print("GL_RENDERER = ", gl.GetString(gl.RENDERER), "\n")
print("GL_VERSION = ", gl.GetString(gl.VERSION), "\n")
print("GL_VENDOR = ", gl.GetString(gl.VENDOR), "\n")
print("GL_EXTENSIONS = ", gl.GetString(gl.EXTENSIONS), "\n")
}
}
// general OpenGL initialization
func initGL() {
gl.Enable(gl.TEXTURE_2D)
gl.ShadeModel(gl.SMOOTH)
gl.ClearColor(0.0, 0.0, 0.0, 0.5)
gl.ClearDepth(1.0)
gl.Enable(gl.DEPTH_TEST)
gl.DepthFunc(gl.LEQUAL)
gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)
// Setup the light
gl.Lightfv(gl.LIGHT1, gl.AMBIENT, lightAmbient[:]) // ambient lighting
gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, lightDiffuse[:]) // make it diffuse
gl.Lightfv(gl.LIGHT1, gl.POSITION, lightPosition[:]) // and place it
gl.Enable(gl.LIGHT1) // and finally turn it on.
gl.Color4f(1.0, 1.0, 1.0, 0.5) // Full Brightness, 50% Alpha ( NEW )
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE) // Blending Function For Translucency Based On Source Alpha Value ( NEW )
}
// general OpenGL initialization
func initGL() {
LoadGLTextures("data/mud.bmp")
gl.Enable(gl.TEXTURE_2D)
gl.ShadeModel(gl.SMOOTH)
gl.ClearColor(0.0, 0.0, 0.0, 0.0)
gl.ClearDepth(1.0)
gl.Enable(gl.DEPTH_TEST)
gl.DepthFunc(gl.LEQUAL)
gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)
gl.Lightfv(gl.LIGHT1, gl.AMBIENT, lightAmbient[:])
gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, lightDiffuse[:])
gl.Lightfv(gl.LIGHT1, gl.POSITION, lightPosition[:])
gl.Enable(gl.LIGHT1)
gl.Color4f(1.0, 1.0, 1.0, 0.5)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE)
}
func init_() {
pos := []float32{5.0, 5.0, 10.0, 0.0}
red := []float32{0.8, 0.1, 0.0, 1.0}
green := []float32{0.0, 0.8, 0.2, 1.0}
blue := []float32{0.2, 0.2, 1.0, 1.0}
gl.Lightfv(gl.LIGHT0, gl.POSITION, pos)
gl.Enable(gl.CULL_FACE)
gl.Enable(gl.LIGHTING)
gl.Enable(gl.LIGHT0)
gl.Enable(gl.DEPTH_TEST)
/* make the gears */
gear1 = gl.GenLists(1)
gl.NewList(gear1, gl.COMPILE)
gl.Materialfv(gl.FRONT, gl.AMBIENT_AND_DIFFUSE, red)
gear(1.0, 4.0, 1.0, 20, 0.7)
gl.EndList()
gear2 = gl.GenLists(1)
gl.NewList(gear2, gl.COMPILE)
gl.Materialfv(gl.FRONT, gl.AMBIENT_AND_DIFFUSE, green)
gear(0.5, 2.0, 2.0, 10, 0.7)
gl.EndList()
gear3 = gl.GenLists(1)
gl.NewList(gear3, gl.COMPILE)
gl.Materialfv(gl.FRONT, gl.AMBIENT_AND_DIFFUSE, blue)
gear(1.3, 2.0, 0.5, 10, 0.7)
gl.EndList()
gl.Enable(gl.NORMALIZE)
if *printInfo {
print("GL_RENDERER = ", gl.GetString(gl.RENDERER), "\n")
print("GL_VERSION = ", gl.GetString(gl.VERSION), "\n")
print("GL_VENDOR = ", gl.GetString(gl.VENDOR), "\n")
print("GL_EXTENSIONS = ", gl.GetString(gl.EXTENSIONS), "\n")
}
}
// general OpenGL initialization
func initGL() {
gl.Enable(gl.TEXTURE_2D)
gl.ShadeModel(gl.SMOOTH)
gl.ClearColor(0.0, 0.0, 0.0, 0.5)
gl.ClearDepth(1.0)
gl.Enable(gl.DEPTH_TEST)
gl.DepthFunc(gl.LEQUAL)
gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)
// Setup the light
gl.Lightfv(gl.LIGHT1, gl.AMBIENT, lightAmbient1[:]) // ambient lighting
gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, lightDiffuse1[:]) // make it diffuse
gl.Lightfv(gl.LIGHT1, gl.POSITION, lightPosition1[:]) // and place it
gl.Enable(gl.LIGHT1) // and finally turn it on.
gl.Lightfv(gl.LIGHT2, gl.AMBIENT, lightAmbient2[:]) // ambient lighting
gl.Lightfv(gl.LIGHT2, gl.DIFFUSE, lightDiffuse2[:]) // make it diffuse
gl.Lightfv(gl.LIGHT2, gl.POSITION, lightPosition2[:]) // and place it
gl.Enable(gl.LIGHT2) // and finally turn it on.
}