#include "private.h"

int heliCheckCollision(HeliCollider *a, HeliCollider *b, double *normX, double *normY) {

	// corner with side

	// corner with circle

	// circle with circle

	#warning "TODO: heliCheckCollision: not implemented yet"

	return FALSE;

}

int heliPointCollision(HeliCollider *c, double x, double y) {

	x -= c->x;

	y -= c->y;

	if (c->type == COLLIDER_CIRCLE) {

		return x*x + y*y <= c->radius*c->radius;

	} else

	if (c->type == COLLIDER_RECTANGLE) {

		double a = c->rotation*(PI/180);

		double sn = sin(a);

		double cn = cos(a);

		return fabs(x*cn - y*sn) <= c->width*0.5

			&& fabs(x*sn + y*cn) <= c->height*0.5;

	}

	return FALSE;

}