Method InterpolateBoxes

src/TrackedObjectBBox.cpp:178–209

Interpolate the bouding-boxes properties

// Interpolate the bouding-boxes properties
BBox TrackedObjectBBox::InterpolateBoxes(double t1, double t2, BBox left, BBox right, double target)
{
	// Interpolate the x-coordinate of the center point
	Point cx_left(t1, left.cx, openshot::InterpolationType::LINEAR);
	Point cx_right(t2, right.cx, openshot::InterpolationType::LINEAR);
	Point cx = InterpolateBetween(cx_left, cx_right, target, 0.01);

	// Interpolate de y-coordinate of the center point
	Point cy_left(t1, left.cy, openshot::InterpolationType::LINEAR);
	Point cy_right(t2, right.cy, openshot::InterpolationType::LINEAR);
	Point cy = InterpolateBetween(cy_left, cy_right, target, 0.01);

	// Interpolate the width
	Point width_left(t1, left.width, openshot::InterpolationType::LINEAR);
	Point width_right(t2, right.width, openshot::InterpolationType::LINEAR);
	Point width = InterpolateBetween(width_left, width_right, target, 0.01);

	// Interpolate the height
	Point height_left(t1, left.height, openshot::InterpolationType::LINEAR);
	Point height_right(t2, right.height, openshot::InterpolationType::LINEAR);
	Point height = InterpolateBetween(height_left, height_right, target, 0.01);

	// Interpolate the rotation angle
	Point angle_left(t1, left.angle, openshot::InterpolationType::LINEAR);
	Point angle_right(t1, right.angle, openshot::InterpolationType::LINEAR);
	Point angle = InterpolateBetween(angle_left, angle_right, target, 0.01);

	// Create a bounding box with the interpolated points
	BBox interpolatedBox(cx.co.Y, cy.co.Y, width.co.Y, height.co.Y, angle.co.Y);

	return interpolatedBox;
}

// Update object's BaseFps
void TrackedObjectBBox::SetBaseFPS(Fraction fps){