CopperLicht:: CameraSceneNode.setOrthogonal

    CL3D.CameraSceneNode.prototype.setOrthogonal = function(mode) {
        this.orthogonal = mode;
        this.recalculateProjectionMatrix();
    }

    CL3D.CameraSceneNode.prototype.recalculateProjectionMatrix = function () {
        if (this.orthogonal) this.Projection.buildProjectionMatrixOrthogonalFovLH(this.Fovy, this.Aspect, this.ZNear, this.ZFar);
        else this.Projection.buildProjectionMatrixPerspectiveFovLH(this.Fovy, this.Aspect, this.ZNear, this.ZFar);
    };

    CL3D.Matrix4.prototype.buildProjectionMatrixOrthogonalFovLH = function (e, d, f, c) {
        var b = (20 / Math.tan(e / 2));
        var a = (b / d) * 5 / 3;//25;
        this.m00 = 2 / a;
        this.m01 = 0;
        this.m02 = 0;
        this.m03 = 0;
        this.m04 = 0;
        this.m05 = 2 / b;
        this.m06 = 0;
        this.m07 = 0;
        this.m08 = 0;
        this.m09 = 0;
        this.m10 = (1 / (c - f));
        this.m11 = 0;
        this.m12 = 0;
        this.m13 = 0;
        this.m14 = f / (f - c);
        this.m15 = 1;
        this.bIsIdentity = false;
    };