Example #1
0
func drawChunk(chunkX, chunkY int64) {
	chunk := terrain.GetChunkAt(chunkX, chunkY)

	if chunk.DisplayList == 0 {
		chunk.DisplayList = gl.GenLists(1)

		gl.NewList(chunk.DisplayList, gl.COMPILE)
		for x := 0; x < config.ChunkArraySize()-1; x++ {
			for y := 0; y < config.ChunkArraySize()-1; y++ {
				gl.Normal3d(chunk.Normals.Get(x, y))
				gl.Vertex3d(chunk.Vertices.Get(x, y))
				x++

				gl.Normal3d(chunk.Normals.Get(x, y))
				gl.Vertex3d(chunk.Vertices.Get(x, y))
				y++

				gl.Normal3d(chunk.Normals.Get(x, y))
				gl.Vertex3d(chunk.Vertices.Get(x, y))
				x--

				gl.Normal3d(chunk.Normals.Get(x, y))
				gl.Vertex3d(chunk.Vertices.Get(x, y))
				y--
			}
		}
		gl.EndList()
	}

	gl.CallList(chunk.DisplayList)
}
Example #2
0
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")
	}

}