func main() {
runtime.LockOSThread()
settings := three.WindowSettings{
Width: width,
Height: height,
Title: "Example - Text",
Fullscreen: false,
ClearColor: &three.Color{0., 0., 0.4},
}
window, err := three.NewWindow(settings)
if err != nil {
log.Fatal(err)
}
renderer, err := three.NewRenderer(window)
if err != nil {
log.Fatal(err)
}
scene := three.NewScene()
camera := three.NewPerspectiveCamera(fov, width/height, near, far)
var size float32 = 15
var offset float32 = 50.0
for i := 0; i < 16; i++ {
white := three.NewBasicMaterial()
white.SetColor(&three.Color{1.0, 1.0, 1.0})
regular, err := three.NewFont("../_fonts/Inconsolata-Regular.ttf", int32(15+i))
if err != nil {
log.Fatal(err)
}
titleGeometry := three.NewTextGeometry("Grumpy wizards", mgl32.Vec2{10, offset}, size, regular)
title := three.NewText(titleGeometry, white)
scene.AddText(title)
offset += size + 5
size += 2
}
camera.Transform.SetPosition(20, 20, 20)
camera.Transform.LookAt(0, 0, 0)
for !window.ShouldClose() {
renderer.Render(scene, camera)
}
renderer.Unload(scene)
renderer.OpenGLSentinel()
}
func main() {
runtime.LockOSThread()
settings := three.WindowSettings{
Width: width,
Height: height,
Title: "Example - Wireframe Cube",
Fullscreen: false,
ClearColor: &three.Color{0., 0., 0.4},
}
window, err := three.NewWindow(settings)
if err != nil {
log.Fatal(err)
}
renderer, err := three.NewRenderer(window)
if err != nil {
log.Fatal(err)
}
scene := three.NewScene()
camera := three.NewPerspectiveCamera(fov, width/height, near, far)
camera.Transform.SetPosition(4.0, 3.0, 4.0)
camera.Transform.LookAt(0, 0, 0)
box := geometries.NewCube(1)
red := three.NewBasicMaterial()
red.SetColor(&three.Color{1.0, 0.0, 0.0})
red.SetWireframe(true)
mesh := three.NewMesh(box, red)
scene.Add(mesh)
var rotX float32 = 0.01
var rotY float32 = 0.02
transform := mesh.Transform()
for !window.ShouldClose() {
transform.RotateX(rotX)
transform.RotateY(rotY)
renderer.Render(scene, camera)
}
renderer.Unload(scene)
renderer.OpenGLSentinel()
}
func main() {
runtime.LockOSThread()
settings := three.WindowSettings{
Width: width,
Height: height,
Title: "Example - Textured Cube",
Fullscreen: false,
}
window, err := three.NewWindow(settings)
if err != nil {
log.Fatal(err)
}
renderer, err := three.NewRenderer(window)
if err != nil {
log.Fatal(err)
}
scene := three.NewScene()
camera := three.NewPerspectiveCamera(fov, width/height, near, far)
camera.Transform.TranslateZ(1000)
box := geometries.NewCube(200)
texture := three.NewBasicMaterial()
t, err := three.NewTexture("textures/uvgrid01.dds")
if err != nil {
log.Panic(err)
}
texture.SetTexture(t)
mesh := three.NewMesh(box, texture)
scene.Add(mesh)
transform := mesh.Transform()
for !window.ShouldClose() {
transform.RotateX(0.01)
transform.RotateY(0.02)
renderer.Render(scene, camera)
}
renderer.Unload(scene)
renderer.OpenGLSentinel()
}
func main() {
runtime.LockOSThread()
settings := three.WindowSettings{
Width: width,
Height: height,
Title: "Example - Obj Loading",
Fullscreen: false,
ClearColor: &three.Color{0., 0., 0.4},
}
window, err := three.NewWindow(settings)
if err != nil {
log.Fatal(err)
}
renderer, err := three.NewRenderer(window)
if err != nil {
log.Fatal(err)
}
scene := three.NewScene()
camera := three.NewPerspectiveCamera(fov, width/height, near, far)
camera.Transform.SetPosition(0, 0, 5.0)
box, err := loaders.LoadFromObj("obj/suzanne.obj")
if err != nil {
log.Fatal(err)
}
grey := three.NewBasicMaterial()
grey.SetColor(&three.Color{0.5, 0.5, 0.5})
helpers.AddAxes(scene)
mesh := three.NewMesh(box, grey)
white := three.NewBasicMaterial()
white.SetColor(&three.Color{1.0, 1.0, 1.0})
regular, err := three.NewFont("../_fonts/Inconsolata-Regular.ttf", int32(25))
if err != nil {
log.Fatal(err)
}
fpsGeometry := three.NewTextGeometry(" ", mgl32.Vec2{50, 50}, 25, regular)
fps := three.NewText(fpsGeometry, white)
scene.AddText(fps)
scene.Add(mesh)
transform := mesh.Transform()
lastTime := three.GetTime()
nbFrames := 0
for !window.ShouldClose() {
currTime := three.GetTime()
nbFrames++
if currTime-lastTime >= 1.0 {
frames := fmt.Sprintf("%v FPS", nbFrames)
fps.SetText(frames)
nbFrames = 0
lastTime += 1.0
}
transform.RotateX(0.01)
transform.RotateY(0.02)
renderer.Render(scene, camera)
}
renderer.Unload(scene)
renderer.OpenGLSentinel()
}