public override void sendMouse(vec2 current, vec2 oldmouse)
{
ArcBall ball = new ArcBall(new vec2(Width / 2.0f, Height / 2.0f), Math.Min(Height, Width) / 2.0f);
quat final = ball.rotation(tranform(oldmouse), tranform(current));
rotation = quat.Combine(rotation, final);
}
//控件大小调整事件
//改变大小时触发，在程序启动时将执行一次
private void glControl1_Resize(object sender, EventArgs e)
{
if (!GLLoaded)//如果没有加载控件，则返回
{
return;
}
if (glControl1.ClientSize.Height == 0)
{
glControl1.ClientSize = new System.Drawing.Size(glControl1.ClientSize.Width, 1);
}
GL.Viewport(0, 0, glControl1.ClientSize.Width, glControl1.ClientSize.Height);
//设置3D绘图画布
float aspect_ratio = Width / (float)Height;//求得控件宽高比
//三维透视矩阵
Matrix4 perpective = Matrix4.CreatePerspectiveFieldOfView(PerpectAngle,
aspect_ratio, DisNear, DisFar);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadMatrix(ref perpective);//加载透视矩阵
//创建轨迹球
_ArcBall = new ArcBall(-Eye_distance, -Eye_distance,
Eye_distance, 0, 0, 0, 0, 0, 1);
_ArcBall.SetBounds(Width, Height);//设置高宽
}
// Use this for initialization
void Start () {
drifter = GetComponent<FirstPersonDrifter>();
mouseLook = GetComponent<MouseLook>();
mouseLookVert = Camera.main.GetComponent<MouseLook>();
arcBall = holdPosition.GetComponent<ArcBall>();
currentTarget = holdPositionTarget;
}
public override void Initialize()
{
base.Initialize();
ball = new ArcBall();
tmp_proj = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, GameContainer.Graphics.GraphicsDevice.Viewport.AspectRatio, 2, 3);
tmp_view = Matrix.CreateLookAt(new Vector3(0, 0, 1), Vector3.Zero, Vector3.Up);
msLast = Mouse.GetState();
}
public override void Initialize()
{
base.Initialize();
ball = new ArcBall();
tmp_proj = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, GameContainer.Graphics.GraphicsDevice.Viewport.AspectRatio, 2, 3);
tmp_view = Matrix.CreateLookAt(new Vector3(0, 0, 1), Vector3.Zero, Vector3.Up);
msLast = Mouse.GetState();
}
private void openGLControl1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
_isMouseDown = true;
ArcBall.MouseDown(e.X, e.Y);
}
else if (e.Button == MouseButtons.Right)
{
ArcBall = new ArcBall();
}
}
void Awake()
{
// start coroutine that checks for screen resize
StartCoroutine(checkForResize());
// only one gui draw fase
useGUILayout = false;
// setup our lensmodel
mLensmodel = ScriptableObject.CreateInstance <LensModel>();
mLensmodel.init(LensModel.LENSMODEL.EQUIRECTANGULAR, Screen.width, Screen.height, 1.0f, 1.0f);
// setup arcball
mArcball = ScriptableObject.CreateInstance <ArcBall>();
mArcball.init(Screen.width, Screen.height, transform.rotation);
// setup FPS counter
mFps = ScriptableObject.CreateInstance <FPS>();
}
private void openGLControl1_OpenGLInitialized(object sender, EventArgs e)
{
var gl = openGLControl1.OpenGL;
gl.Viewport(0, 0, openGLControl1.Width, openGLControl1.Height);
gl.MatrixMode(OpenGL.GL_PROJECTION);
gl.LoadIdentity();
gl.Perspective(90, (float)openGLControl1.Width / openGLControl1.Height, 1, 1000);
gl.LookAt(-200, 0, 50, 0, 0, 0, 0, 0, 1);
gl.ShadeModel(OpenGL.GL_SMOOTH);
var mat_specular = new[] { 1.0f, 1.0f, 1.0f, 1.0f };
var mat_ambient = new[] { 0.2f, 0.2f, 0.2f, 0.2f };
var mat_diffuse = new[] { 2.0f, 2.0f, 2.0f, 0.1f };
var mat_shininess = new[] { 100.0f };
gl.Material(OpenGL.GL_FRONT, OpenGL.GL_SPECULAR, mat_specular);
gl.Material(OpenGL.GL_FRONT, OpenGL.GL_AMBIENT, mat_ambient);
gl.Material(OpenGL.GL_FRONT, OpenGL.GL_DIFFUSE, mat_diffuse);
gl.Material(OpenGL.GL_FRONT, OpenGL.GL_SHININESS, mat_shininess);
var ambientLight = new[] { 0.2f, 0.2f, 0.2f, 0.2f };
var diffuseLight = new[] { 1.0f, 1.0f, 1.0f, 1.0f };
var posLight0 = new[] { -200.0f, 200.0f, 200f, 1.0f };
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_AMBIENT, ambientLight);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_DIFFUSE, diffuseLight);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_POSITION, posLight0);
gl.Enable(OpenGL.GL_LIGHTING);
gl.Enable(OpenGL.GL_LIGHT0);
gl.Enable(OpenGL.GL_COLOR_MATERIAL);
gl.Enable(OpenGL.GL_DEPTH_TEST);
gl.Enable(OpenGL.GL_DOUBLEBUFFER);
ArcBall.SetBounds(openGLControl1.Width, openGLControl1.Height);
}
private void openGLControl1_OpenGLDraw(object sender, RenderEventArgs args)
{
var gl = openGLControl1.OpenGL;
gl.ClearColor(0.2f, 0.4f, 0.2f, 0.2f);
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
gl.MatrixMode(OpenGL.GL_PROJECTION);
gl.LoadIdentity();
gl.Perspective(90, (float)openGLControl1.Width / openGLControl1.Height, 1, 1000);
gl.LookAt(vx, vy, vz, 0, 0, 0, upx, upy, upz);
ArcBall.TransformMatrix(gl);
gl.MatrixMode(OpenGL.GL_MODELVIEW);
gl.LoadIdentity();
DrawAxis(gl);
DrawPos(gl);
gl.Finish();
gl.Flush();
}
public ArcBallEffect(Cameras.LookAtCamera camera)
{
arcBall = new ArcBall(camera);
}