void IMouseHandler.canvas_MouseUp(object sender, GLMouseEventArgs e)
{
if ((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None)
{
this.mouseDownFlag = false;
}
}
void IMouseHandler.canvas_MouseDown(object sender, GLMouseEventArgs e)
{
this.lastBindingMouseButtons = this.BindingMouseButtons;
if ((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None)
{
var control = sender as Control;
this.SetBounds(control.Width, control.Height);
if (!cameraState.IsSameState(this.camera))
{
SetCamera(this.camera.Position, this.camera.Target, this.camera.UpVector);
}
this._startPosition = GetArcBallPosition(e.X, e.Y);
mouseDownFlag = true;
{
var mouseDown = this.MouseDown;
if (mouseDown != null)
{
mouseDown(this, e);
}
}
}
}
void IMouseHandler.canvas_MouseMove(object sender, GLMouseEventArgs e)
{
if (mouseDownFlag && ((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None))
{
if (!cameraState.IsSameState(this.camera))
{
SetCamera(this.camera.Position, this.camera.Target, this.camera.UpVector);
}
this._endPosition = GetArcBallPosition(e.X, e.Y);
var cosRadian = _startPosition.dot(_endPosition) / (_startPosition.length() * _endPosition.length());
if (cosRadian > 1.0f)
{
cosRadian = 1.0f;
}
else if (cosRadian < -1)
{
cosRadian = -1.0f;
}
float angle = MouseSensitivity * (float)(Math.Acos(cosRadian) / Math.PI * 180);
_normalVector = _startPosition.cross(_endPosition).normalize();
if (!
((_normalVector.x == 0 && _normalVector.y == 0 && _normalVector.z == 0) ||
float.IsNaN(_normalVector.x) || float.IsNaN(_normalVector.y) || float.IsNaN(_normalVector.z)))
{
_startPosition = _endPosition;
mat4 newRotation = glm.rotate(angle, _normalVector);
this.totalRotation = newRotation * totalRotation;
}
}
}
void IMouseHandler.canvas_MouseMove(object sender, GLMouseEventArgs e)
{
if (mouseDownFlag && ((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None))
{
if (!cameraState.IsSameState(this.camera))
{
SetCamera(this.camera.Position, this.camera.Target, this.camera.UpVector);
}
Point location = new Point(e.X, this.canvas.Height - e.Y - 1);
Point differenceOnScreen = new Point(location.X - this._lastPosition.X, location.Y - this._lastPosition.Y);
mat4 model = this.renderer.GetModelMatrix();
mat4 view = this.camera.GetViewMatrix();
mat4 projection = this.camera.GetProjectionMatrix();
vec4 viewport;
{
var result = new int[4];
GL.Instance.GetIntegerv((uint)GetTarget.Viewport, result);
viewport = new vec4(result[0], result[1], result[2], result[3]);
}
var position = new vec3(0.0f);// imangine we have a point at (0, 0, 0).
vec3 windowPos = glm.project(position, view * model, projection, viewport);
var newWindowPos = new vec3(windowPos.x + differenceOnScreen.X, windowPos.y + differenceOnScreen.Y, windowPos.z);
vec3 newPosition = glm.unProject(newWindowPos, view * model, projection, viewport);
var worldPosition = new vec3(model * new vec4(position, 1.0f));
var newWorldPosition = new vec3(model * new vec4(newPosition, 1.0f));
this.renderer.WorldPosition += newWorldPosition - worldPosition;
this._lastPosition = location;
}
}
void IMouseHandler.canvas_MouseMove(object sender, GLMouseEventArgs e)
{
if (this.mouseDownFlag &&
((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None) &&
(e.X != lastPosition.x || e.Y != lastPosition.y))
{
IViewCamera camera = this.camera;
if (camera == null)
{
return;
}
vec3 back = this.back;
vec3 right = this.right;
vec3 up = this.up;
GUISize bound = this.bound;
ivec2 downPosition = this.lastPosition;
{
float deltaX = -this.HorizontalRotationFactor * (e.X - downPosition.x) / (float)bound.Width;
float cos = (float)Math.Cos(deltaX);
float sin = (float)Math.Sin(deltaX);
vec3 newBack = new vec3(
back.x * cos + right.x * sin,
back.y * cos + right.y * sin,
back.z * cos + right.z * sin);
back = newBack;
right = up.cross(back);
back = back.normalize();
right = right.normalize();
}
{
float deltaY = this.VerticalRotationFactor * (e.Y - downPosition.y) / (float)bound.Height;
float cos = (float)Math.Cos(deltaY);
float sin = (float)Math.Sin(deltaY);
vec3 newBack = new vec3(
back.x * cos - up.x * sin,
back.y * cos - up.y * sin,
back.z * cos - up.z * sin);
back = newBack;
up = back.cross(right);
back = back.normalize();
up = up.normalize();
}
//camera.Position = camera.Target +
// back * (float)((camera.Position - camera.Target).length());
rootNode.RotationAxis = up;
camera.UpVector = up;
this.back = back;
this.right = right;
this.up = up;
this.lastPosition = e.Location;
IGLCanvas canvas = this.canvas;
if (canvas != null && canvas.RenderTrigger == RenderTrigger.Manual)
{
canvas.Repaint();
}
}
}
void CtrlButton_MouseUp(object sender, GLMouseEventArgs e)
{
if (e.Button == GLMouseButtons.Left)
{
this.Location = this.originalLocation;
this.Size = this.originalSize;
}
}
void winCanvas_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (this.currentControl != null)
{
GLMouseEventArgs args = e.Translate();
this.currentControl.InvokeEvent(EventType.MouseUp, args);
}
}
void IMouseHandler.canvas_MouseDown(object sender, GLMouseEventArgs e)
{
this.lastBindingMouseButtons = this.BindingMouseButtons;
if ((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None)
{
this.mouseDownFlag = true;
this.lastPosition = e.Location;
}
}
void winCanvas_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
GLMouseEventArgs args = e.Translate();
foreach (var item in this.Children)
{
item.InvokeEvent(EventType.MouseMove, args);
}
}
void WinGLCanvas_MouseUp(object sender, MouseEventArgs e)
{
GLEventHandler <GLMouseEventArgs> MouseUp = this.glMouseUp;
if (MouseUp != null)
{
GLMouseEventArgs arg = e.Translate();
MouseUp(sender, arg);
}
}
void WinSoftGLCanvas_MouseMove(object sender, MouseEventArgs e)
{
GLEventHandler <GLMouseEventArgs> MouseMove = this.glMouseMove;
if (MouseMove != null)
{
GLMouseEventArgs arg = e.Translate();
MouseMove(sender, arg);
}
}
void IMouseHandler.canvas_MouseWheel(object sender, GLMouseEventArgs e)
{
this.camera.MouseWheel(e.Delta);
IGLCanvas canvas = this.canvas;
if (canvas != null && canvas.RenderTrigger == RenderTrigger.Manual)
{
canvas.Repaint();
}
}
void CtrlButton_MouseDown(object sender, GLMouseEventArgs e)
{
if (e.Button == GLMouseButtons.Left)
{
this.originalLocation = this.Location;
this.originalSize = this.Size;
this.Size = new GUISize((int)(this.Width * 0.9f), (int)(this.Height * 0.9f));
this.Location = new GUIPoint(
(int)(this.Location.X + this.Width * 0.05f),
(int)(this.Location.Y + this.Height * 0.05f));
}
}
void IMouseHandler.canvas_MouseDown(object sender, GLMouseEventArgs e)
{
this.lastBindingMouseButtons = this.BindingMouseButtons;
if ((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None)
{
this.lastPosition = e.Location;
var control = sender as Control;
this.SetBounds(control.Width, control.Height);
this.mouseDownFlag = true;
PrepareCamera();
}
}
void winCanvas_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
int x = e.X, y = this.BindingCanvas.Height - e.Y - 1;
GLControl control = GetControlAt(x, y, this);
this.currentControl = control;
if (control != null)
{
GLMouseEventArgs args = e.Translate();
control.InvokeEvent(EventType.MouseDown, args);
}
}
void IMouseHandler.canvas_MouseMove(object sender, GLMouseEventArgs e)
{
if (mouseDownFlag && ((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None))
{
if (!cameraState.IsSameState(this.camera))
{
SetCamera(this.camera.Position, this.camera.Target, this.camera.UpVector);
}
this._endPosition = GetArcBallPosition(e.X, e.Y);
var cosRadian = _startPosition.dot(_endPosition) / (_startPosition.length() * _endPosition.length());
if (cosRadian > 1.0f)
{
cosRadian = 1.0f;
}
else if (cosRadian < -1)
{
cosRadian = -1.0f;
}
float angle = MouseSensitivity * (float)(Math.Acos(cosRadian) / Math.PI * 180);
_normalVector = _startPosition.cross(_endPosition).normalize();
if (!
((_normalVector.x == 0 && _normalVector.y == 0 && _normalVector.z == 0) ||
float.IsNaN(_normalVector.x) || float.IsNaN(_normalVector.y) || float.IsNaN(_normalVector.z)))
{
_startPosition = _endPosition;
mat4 newRotation = glm.rotate(angle, _normalVector);
this.totalRotation = newRotation * this.totalRotation;
{
var rotated = this.Rotated;
if (rotated != null)
{
Quaternion quaternion = this.totalRotation.ToQuaternion();
float angleInDegree;
vec3 axis;
quaternion.Parse(out angleInDegree, out axis);
rotated(this, new Rotation(axis, angleInDegree, e.Button, e.Clicks, e.X, e.Y, e.Delta));
}
}
}
IGLCanvas canvas = this.canvas;
if (canvas != null && canvas.RenderTrigger == RenderTrigger.Manual)
{
canvas.Repaint();
}
}
}
void winCanvas_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
GLMouseEventArgs args = e.Translate();
foreach (var item in this.Children)
{
int x = e.X, y = this.BindingCanvas.Height - e.Y;
if (item.ContainsPoint(x, y))
{
this.mouseDownControl = item;
item.InvokeEvent(EventType.MouseDown, args);
}
}
}
void IMouseHandler.canvas_MouseUp(object sender, GLMouseEventArgs e)
{
if ((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None)
{
mouseDownFlag = false;
{
var mouseUp = this.MouseUp;
if (mouseUp != null)
{
mouseUp(this, e);
}
}
}
}
void IMouseHandler.canvas_MouseMove(object sender, GLMouseEventArgs e)
{
if (this.mouseDownFlag &&
((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None) &&
(e.X != this.lastPosition.x || e.Y != this.lastPosition.y))
{
mat4 rotationMatrix = glm.rotate(this.HorizontalRotationSpeed * (e.X - this.lastPosition.x), -this.camera.UpVector);
var front = new vec4(this.camera.GetFront(), 1.0f);
vec4 front1 = rotationMatrix * front;
rotationMatrix = glm.rotate(this.VerticalRotationSpeed * (this.lastPosition.y - e.Y), this.camera.GetRight());
vec4 front2 = rotationMatrix * front1;
//front2 = front2.normalize();
this.camera.Target = this.camera.Position + new vec3(front2);
this.lastPosition = e.Location;
}
}
void IMouseHandler.canvas_MouseDown(object sender, GLMouseEventArgs e)
{
this.lastBindingMouseButtons = this.BindingMouseButtons;
if ((e.Button & this.lastBindingMouseButtons) != GLMouseButtons.None)
{
var control = sender as Control;
this.SetBounds(control.Width, control.Height);
if (!cameraState.IsSameState(this.camera))
{
SetCamera(this.camera.Position, this.camera.Target, this.camera.UpVector);
}
this._lastPosition = new Point(e.X, this.canvas.Height - e.Y - 1);
mouseDownFlag = true;
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
/// <returns></returns>
public static GLMouseEventArgs Translate(this System.Windows.Forms.MouseEventArgs e)
{
var args = new GLMouseEventArgs((GLMouseButtons)e.Button, e.Clicks, e.X, e.Y, e.Delta);
return(args);
}
void IMouseHandler.canvas_MouseWheel(object sender, GLMouseEventArgs e)
{
this.camera.MouseWheel(e.Delta);
}
void IMouseHandler.canvas_MouseWheel(object sender, GLMouseEventArgs e)
{
}