Beispiel #1
0
        public static void CalibCamera(Camera camera)
        {
            Matrix4x4 projectionMatrix = new Matrix4x4();
            float     near             = camera.nearClipPlane;
            float     far = camera.farClipPlane;

            var width   = 0f;
            var height  = 0f;
            var focalX  = 0f;
            var focalY  = 0f;
            var centerX = 0f;
            var centerY = 0f;

            var row0 = new Vector4(2 * focalX / width, 0, 1 - 2 * centerX / width, 0);
            var row1 = new Vector4(0, 2 * focalY / height, 2 * centerY / height - 1, 0);
            var row2 = new Vector4(0, 0, (far + near) / (near - far), 2 * far * near / (near - far));
            var row3 = new Vector4(0, 0, -1, 0);

            projectionMatrix.SetRow(0, row0);
            projectionMatrix.SetRow(1, row1);
            projectionMatrix.SetRow(2, row2);
            projectionMatrix.SetRow(3, row3);

            camera.fieldOfView      = CameraUtility.Focal2Fov(focalX, width);
            camera.projectionMatrix = projectionMatrix;
        }
        private void OnCalibrate(Sizei resolution, Matrix3x3f intrinsic, Vector5f distorsion)
        {
            var fY               = intrinsic.coeff(1, 1);
            var fovY             = CameraUtility.Focal2Fov(fY, resolution.height);
            var fX               = intrinsic.coeff(0, 0);
            var aspect           = (fY / resolution.height) / (fX / resolution.width);
            var projectionMatrix = Matrix4x4.Perspective(fovY, aspect, camera.nearClipPlane, camera.farClipPlane);

            CameraUtility.ApplyProjectionMatrix(camera, projectionMatrix);
        }