func Vec2Lerp(dest, v1, v2 Vec2, t float32) {
	dest[0] = v1[0] + (v2[0]-v1[0])*t
	dest[1] = v1[1] + (v2[1]-v1[1])*t
}
func Vec2Lerp(dest, v1, v2 Vec2, t float32) {
	dest[0] = v1[0] + (v2[0]-v1[0])*t
	dest[1] = v1[1] + (v2[1]-v1[1])*t
}
// Vec2Lerp performs a linear interpolation between two vectors. v1 toward v2
//
//     dest  [out]  The result vector.
//     v1    [in]   The starting vector.
//     v2    [in]   The destination vector.
//     t     [in]   The interpolation factor. [Limits: 0 <= value <= 1.0]