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
|
/*
* This file is part of MXE.
* See index.html for further information.
*
* This file is a test program for glm, adapted from the code sample at
* http://glm.g-truc.net/0.9.7/index.html.
*/
#include <glm/gtc/matrix_transform.hpp> // glm::translate, glm::rotate, glm::scale, glm::perspective
#include <glm/mat4x4.hpp> // glm::mat4
#include <glm/vec3.hpp> // glm::vec3
#include <glm/vec4.hpp> // glm::vec4
#include <glm/gtx/string_cast.hpp> // so we can print a calculation result
#include <iostream>
glm::mat4 camera(float Translate, glm::vec2 const& Rotate)
{
glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 100.f);
glm::mat4 View = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Translate));
View = glm::rotate(View, Rotate.y, glm::vec3(-1.0f, 0.0f, 0.0f));
View = glm::rotate(View, Rotate.x, glm::vec3(0.0f, 1.0f, 0.0f));
glm::mat4 Model = glm::scale(glm::mat4(1.0f), glm::vec3(0.5f));
return Projection * View * Model;
}
int main()
{
glm::mat4 m = camera(0.0f, glm::vec2(0.0f, 0.0f));
std::cout << glm::to_string(m) << std::endl;
return 0;
}
|
