public bool UnProject(ref Vector3G win, out Vector3G objectCoordinate)
{
objectCoordinate = new Vector3G();
Matrix4x4G matrix4x4G;
Matrix4x4G matrix4x4G1;
Vector4G vector4G = new Vector4G();
Vector4G vector4G1;
Matrix4x4G.Mult(ref this.projection, ref this.modelview, out matrix4x4G);
if (!Matrix4x4G.Inverse(ref matrix4x4G, out matrix4x4G1))
{
objectCoordinate = new Vector3G();
return(false);
}
vector4G.x = (win.x - this.offset.x) / this.size.x * 2 - 1;
vector4G.y = (win.y - this.offset.y) / this.size.y * 2 - 1;
vector4G.z = -win.z;
vector4G.w = 1;
Matrix4x4G.Mult(ref vector4G, ref matrix4x4G1, out vector4G1);
if (vector4G1.w == 0)
{
objectCoordinate = new Vector3G();
return(false);
}
vector4G1.w = 1 / vector4G1.w;
objectCoordinate.x = vector4G1.x * vector4G1.w;
objectCoordinate.y = vector4G1.y * vector4G1.w;
objectCoordinate.z = vector4G1.z * vector4G1.w;
return(true);
}
public bool Project(ref Vector3G obj, out Vector3G windowCoordinate)
{
windowCoordinate = new Vector3G();
Vector4G vector4G = new Vector4G();
Vector4G vector4G1 = new Vector4G();
vector4G.x = this.modelview.m00 * obj.x + this.modelview.m01 * obj.y + this.modelview.m02 * obj.z + this.modelview.m03;
vector4G.y = this.modelview.m10 * obj.x + this.modelview.m11 * obj.y + this.modelview.m12 * obj.z + this.modelview.m13;
vector4G.z = this.modelview.m20 * obj.x + this.modelview.m21 * obj.y + this.modelview.m22 * obj.z + this.modelview.m23;
vector4G.w = this.modelview.m30 * obj.x + this.modelview.m31 * obj.y + this.modelview.m32 * obj.z + this.modelview.m33;
vector4G1.x = this.projection.m00 * vector4G.x + this.projection.m01 * vector4G.y + this.projection.m02 * vector4G.z + this.projection.m03 * vector4G.w;
vector4G1.y = this.projection.m10 * vector4G.x + this.projection.m11 * vector4G.y + this.projection.m12 * vector4G.z + this.projection.m13 * vector4G.w;
vector4G1.z = this.projection.m20 * vector4G.x + this.projection.m21 * vector4G.y + this.projection.m22 * vector4G.z + this.projection.m23 * vector4G.w;
vector4G1.w = -vector4G.z;
if (vector4G1.w == 0)
{
windowCoordinate = new Vector3G();
return(false);
}
vector4G1.w = 1 / vector4G1.w;
vector4G1.x = vector4G1.x * vector4G1.w;
vector4G1.y = vector4G1.y * vector4G1.w;
windowCoordinate.x = (vector4G1.x * 0.5 + 0.5) * this.size.x + this.offset.x;
windowCoordinate.y = (vector4G1.y * 0.5 + 0.5) * this.size.y + this.offset.y;
windowCoordinate.z = vector4G1.z;
return(true);
}
public bool UnProject(ref Vector3G win, out Vector3G objectCoordinate)
{
objectCoordinate = new Vector3G();
Matrix4x4G matrix4x4G;
Matrix4x4G matrix4x4G1;
Vector4G vector4G = new Vector4G();
Vector4G vector4G1;
Matrix4x4G.Mult(ref this.projection, ref this.modelview, out matrix4x4G);
if (!Matrix4x4G.Inverse(ref matrix4x4G, out matrix4x4G1))
{
objectCoordinate = new Vector3G();
return false;
}
vector4G.x = (win.x - this.offset.x) / this.size.x * 2 - 1;
vector4G.y = (win.y - this.offset.y) / this.size.y * 2 - 1;
vector4G.z = -win.z;
vector4G.w = 1;
Matrix4x4G.Mult(ref vector4G, ref matrix4x4G1, out vector4G1);
if (vector4G1.w == 0)
{
objectCoordinate = new Vector3G();
return false;
}
vector4G1.w = 1 / vector4G1.w;
objectCoordinate.x = vector4G1.x * vector4G1.w;
objectCoordinate.y = vector4G1.y * vector4G1.w;
objectCoordinate.z = vector4G1.z * vector4G1.w;
return true;
}
public bool Project(ref Vector3G obj, out Vector3G windowCoordinate)
{
windowCoordinate = new Vector3G();
Vector4G vector4G = new Vector4G();
Vector4G vector4G1 = new Vector4G();
vector4G.x = this.modelview.m00 * obj.x + this.modelview.m01 * obj.y + this.modelview.m02 * obj.z + this.modelview.m03;
vector4G.y = this.modelview.m10 * obj.x + this.modelview.m11 * obj.y + this.modelview.m12 * obj.z + this.modelview.m13;
vector4G.z = this.modelview.m20 * obj.x + this.modelview.m21 * obj.y + this.modelview.m22 * obj.z + this.modelview.m23;
vector4G.w = this.modelview.m30 * obj.x + this.modelview.m31 * obj.y + this.modelview.m32 * obj.z + this.modelview.m33;
vector4G1.x = this.projection.m00 * vector4G.x + this.projection.m01 * vector4G.y + this.projection.m02 * vector4G.z + this.projection.m03 * vector4G.w;
vector4G1.y = this.projection.m10 * vector4G.x + this.projection.m11 * vector4G.y + this.projection.m12 * vector4G.z + this.projection.m13 * vector4G.w;
vector4G1.z = this.projection.m20 * vector4G.x + this.projection.m21 * vector4G.y + this.projection.m22 * vector4G.z + this.projection.m23 * vector4G.w;
vector4G1.w = -vector4G.z;
if (vector4G1.w == 0)
{
windowCoordinate = new Vector3G();
return false;
}
vector4G1.w = 1 / vector4G1.w;
vector4G1.x = vector4G1.x * vector4G1.w;
vector4G1.y = vector4G1.y * vector4G1.w;
windowCoordinate.x = (vector4G1.x * 0.5 + 0.5) * this.size.x + this.offset.x;
windowCoordinate.y = (vector4G1.y * 0.5 + 0.5) * this.size.y + this.offset.y;
windowCoordinate.z = vector4G1.z;
return true;
}
