1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
// Copyright 2020-2022 The Defold Foundation
// Copyright 2014-2020 King
// Copyright 2009-2014 Ragnar Svensson, Christian Murray
// Licensed under the Defold License version 1.0 (the "License"); you may not use
// this file except in compliance with the License.
//
// You may obtain a copy of the License, together with FAQs at
// https://www.defold.com/license
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef DMSDK_INTERSECTION_H
#define DMSDK_INTERSECTION_H
#include <dmsdk/dlib/vmath.h>
/*# Intersection math structs and functions
* Intersection math structs and functions
*
* @document
* @name Intersection structs and functions
* @namespace dmIntersection
* @path engine/dlib/src/dmsdk/dlib/intersection.h
*/
namespace dmIntersection
{
typedef dmVMath::Vector4 Plane;
float DistanceToPlane(Plane plane, dmVMath::Point3 pos);
struct Frustum
{
// The plane normals point inwards
Plane m_Planes[6]; // left, right, bottom, top, near, far
};
void CreateFrustumFromMatrix(const dmVMath::Matrix4& m, bool normalize, Frustum& frustum);
bool TestFrustumPoint(const Frustum& frustum, const dmVMath::Point3& pos, bool skip_near_far);
bool TestFrustumSphere(const Frustum& frustum, const dmVMath::Point3& pos, float radius, bool skip_near_far);
bool TestFrustumSphere(const Frustum& frustum, const dmVMath::Vector4& pos, float radius, bool skip_near_far);
} // dmIntersection
#endif // DMSDK_INTERSECTION_H