获取物体AABB值的代码
时间: 2023-05-20 18:01:58 浏览: 61
获取物体AABB值的代码可以使用以下方法:
```c++
#include <iostream>
#include <glm/glm.hpp>
using namespace std;
using namespace glm;
int main()
{
vec3 min = vec3(-1.0f, -1.0f, -1.0f);
vec3 max = vec3(1.0f, 1.0f, 1.0f);
vec3 position = vec3(0.0f, 0.0f, 0.0f);
mat4 modelMatrix = mat4(1.0f);
// Transform the min and max points by the model matrix
vec3 transformedMin = vec3(modelMatrix * vec4(min, 1.0f));
vec3 transformedMax = vec3(modelMatrix * vec4(max, 1.0f));
// Calculate the AABB values
vec3 aabbMin = min(transformedMin, transformedMax) + position;
vec3 aabbMax = max(transformedMin, transformedMax) + position;
cout << "AABB Min: (" << aabbMin.x << ", " << aabbMin.y << ", " << aabbMin.z << ")" << endl;
cout << "AABB Max: (" << aabbMax.x << ", " << aabbMax.y << ", " << aabbMax.z << ")" << endl;
return 0;
}
```
这段代码使用了glm库中的向量和矩阵操作,通过给定的物体的最小和最大点以及模型矩阵,计算出物体的AABB值。