1 /*************************************************************************/
2 /*  plane_shape.cpp                                                      */
3 /*************************************************************************/
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5 /*                           GODOT ENGINE                                */
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8 /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
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29 /*************************************************************************/
30 #include "plane_shape.h"
31 
32 #include "servers/physics_server.h"
33 
_gen_debug_mesh_lines()34 Vector<Vector3> PlaneShape::_gen_debug_mesh_lines() {
35 
36 	Plane p = get_plane();
37 	Vector<Vector3> points;
38 
39 	Vector3 n1 = p.get_any_perpendicular_normal();
40 	Vector3 n2 = p.normal.cross(n1).normalized();
41 
42 	Vector3 pface[4] = {
43 		p.normal * p.d + n1 * 10.0 + n2 * 10.0,
44 		p.normal * p.d + n1 * 10.0 + n2 * -10.0,
45 		p.normal * p.d + n1 * -10.0 + n2 * -10.0,
46 		p.normal * p.d + n1 * -10.0 + n2 * 10.0,
47 	};
48 
49 	points.push_back(pface[0]);
50 	points.push_back(pface[1]);
51 	points.push_back(pface[1]);
52 	points.push_back(pface[2]);
53 	points.push_back(pface[2]);
54 	points.push_back(pface[3]);
55 	points.push_back(pface[3]);
56 	points.push_back(pface[0]);
57 	points.push_back(p.normal * p.d);
58 	points.push_back(p.normal * p.d + p.normal * 3);
59 
60 	return points;
61 }
62 
_update_shape()63 void PlaneShape::_update_shape() {
64 
65 	PhysicsServer::get_singleton()->shape_set_data(get_shape(), plane);
66 }
67 
set_plane(Plane p_plane)68 void PlaneShape::set_plane(Plane p_plane) {
69 
70 	plane = p_plane;
71 	_update_shape();
72 	notify_change_to_owners();
73 	_change_notify("plane");
74 }
75 
get_plane() const76 Plane PlaneShape::get_plane() const {
77 
78 	return plane;
79 }
80 
_bind_methods()81 void PlaneShape::_bind_methods() {
82 
83 	ObjectTypeDB::bind_method(_MD("set_plane", "plane"), &PlaneShape::set_plane);
84 	ObjectTypeDB::bind_method(_MD("get_plane"), &PlaneShape::get_plane);
85 
86 	ADD_PROPERTY(PropertyInfo(Variant::PLANE, "plane"), _SCS("set_plane"), _SCS("get_plane"));
87 }
88 
PlaneShape()89 PlaneShape::PlaneShape() :
90 		Shape(PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_PLANE)) {
91 
92 	set_plane(Plane(0, 1, 0, 0));
93 }
94