godot/scene/resources/sphere_shape.cpp

/*************************************************************************/
/*  sphere_shape.cpp                                                     */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
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#include "sphere_shape.h"
#include "servers/physics_server.h"

Vector<Vector3> SphereShape::_gen_debug_mesh_lines() {

	float r=get_radius();

	Vector<Vector3> points;

	for(int i=0;i<=360;i++) {

		float ra=Math::deg2rad((float)i);
		float rb=Math::deg2rad((float)i+1);
		Point2 a = Vector2(Math::sin(ra),Math::cos(ra))*r;
		Point2 b = Vector2(Math::sin(rb),Math::cos(rb))*r;

		points.push_back(Vector3(a.x,0,a.y));
		points.push_back(Vector3(b.x,0,b.y));
		points.push_back(Vector3(0,a.x,a.y));
		points.push_back(Vector3(0,b.x,b.y));
		points.push_back(Vector3(a.x,a.y,0));
		points.push_back(Vector3(b.x,b.y,0));

	}

	return points;
}

void SphereShape::_update_shape() {

	PhysicsServer::get_singleton()->shape_set_data(get_shape(),radius);
}

void SphereShape::set_radius(float p_radius) {

	radius=p_radius;
	_update_shape();
	notify_change_to_owners();
	_change_notify("radius");
}

float SphereShape::get_radius() const {

	return radius;
}


void SphereShape::_bind_methods() {

	ClassDB::bind_method(_MD("set_radius","radius"),&SphereShape::set_radius);
	ClassDB::bind_method(_MD("get_radius"),&SphereShape::get_radius);

	ADD_PROPERTY( PropertyInfo(Variant::REAL,"radius",PROPERTY_HINT_RANGE,"0,4096,0.01"), "set_radius", "get_radius");

}

SphereShape::SphereShape() : Shape( PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_SPHERE)) {

	set_radius(1.0);
}