private void glCanvas1_MouseMove(object sender, MouseEventArgs e)
{
if (lastMousePosition == e.Location)
{
return;
}
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
//// operate camera
//rotator.MouseMove(e.X, e.Y);
}
else if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
if (this.operationState == OperationState.PickingDraging)
{
// move vertex
DragParam dragParam = this.dragParam;
if (dragParam != null && this.pickedGeometry != null)
{
var node = this.pickedGeometry.FromRenderer as PickableNode;
var currentWindowSpacePos = new vec3(e.X, this.winGLCanvas1.Height - e.Y - 1, this.pickedGeometry.PickedPosition.z);
var currentModelSpacePos = glm.unProject(currentWindowSpacePos, dragParam.viewMatrix * node.GetModelMatrix(), dragParam.projectionMatrix, dragParam.viewport);
var modelSpacePositionDiff = currentModelSpacePos - dragParam.lastModelSpacePos;
dragParam.lastModelSpacePos = currentModelSpacePos;
IList <vec3> newPositions = node.MovePositions(
modelSpacePositionDiff,
dragParam.pickedVertexIds);
this.UpdateHightlight(newPositions);
}
}
}
else
{
int x = e.X;
int y = this.winGLCanvas1.Height - e.Y - 1;
this.pickedGeometry = this.pickingAction.Pick(x, y, true, true, false);
if (this.pickedGeometry != null)
{
var text = string.Format("picked: {0}", this.pickedGeometry.FromRenderer);
this.toolStripStatusLabel1.Text = text;
this.textNode.Text = text;
}
else
{
var text = string.Format("picked: nothing");
this.toolStripStatusLabel1.Text = text;
this.textNode.Text = text;
}
this.UpdateHightlight();
}
this.lastMousePosition = e.Location;
}
private void glCanvas1_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
//// operate camera
//rotator.MouseUp(e.X, e.Y);
}
else if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
// move vertex
if (this.operationState == OperationState.PickingDraging)
{
this.dragParam = null;
}
}
this.lastMousePosition = e.Location;
}
private void glCanvas1_MouseDown(object sender, MouseEventArgs e)
{
this.lastMousePosition = e.Location;
if (this.operationState == OperationState.PickingDraging)
{
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
//// operate camera
//rotator.SetBounds(this.glCanvas1.Width, this.glCanvas1.Height);
//rotator.MouseDown(e.X, e.Y);
}
else if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
// move vertex
if (pickedGeometry != null)
{
Rectangle rect = this.scene.Canvas.ClientRectangle;
var viewport = new vec4(rect.X, rect.Y, rect.Width, rect.Height);
var lastWindowSpacePos = new vec3(e.X, this.winGLCanvas1.Height - e.Y - 1, pickedGeometry.PickedPosition.z);
mat4 projectionMatrix = this.scene.Camera.GetProjectionMatrix();
mat4 viewMatrix = this.scene.Camera.GetViewMatrix();
mat4 modelMatrix = (pickedGeometry.FromRenderer as PickableNode).GetModelMatrix();
var lastModelSpacePos = glm.unProject(lastWindowSpacePos, viewMatrix * modelMatrix, projectionMatrix, viewport);
var dragParam = new DragParam(
lastModelSpacePos,
this.scene.Camera.GetProjectionMatrix(),
this.scene.Camera.GetViewMatrix(),
viewport,
new ivec2(e.X, this.winGLCanvas1.Height - e.Y - 1));
dragParam.pickedVertexIds.AddRange(pickedGeometry.VertexIds);
this.dragParam = dragParam;
}
}
}
}