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Calculates model center automagically!

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This commit is contained in:
Timmy Sjöstedt 2013-07-01 05:54:03 +02:00
parent 06517550cb
commit 754dede0ee
1 changed files with 17 additions and 5 deletions
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22
viewer/main.cpp
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@ -49,6 +49,7 @@ LoaderIPL iplLoader;
std::map<std::string, std::unique_ptr<Model>> models;
Model *selectedModel;
glm::vec3 selectedModelCenter;
GLuint compileShader(GLenum type, const char *source)
{
@ -133,8 +134,18 @@ void init(std::string gtapath)
}
}
if (iplLoader.load(gtapath +"/data/maps/comNbtm.ipl")) {
if (iplLoader.load(gtapath +"/data/maps/industSW.ipl")) {
printf("IPL Loaded, size: %d\n", iplLoader.m_instances.size());
// Get the center of the model by averaging all the vertices! Hax!
for (int i = 0; i < iplLoader.m_instances.size(); i++) {
selectedModelCenter += glm::vec3{
iplLoader.m_instances[i].posX,
iplLoader.m_instances[i].posY,
iplLoader.m_instances[i].posZ
};
}
selectedModelCenter /= iplLoader.m_instances.size();
} else {
printf("IPL failed to load.\n");
exit(1);
@ -148,15 +159,16 @@ void init(std::string gtapath)
void update()
{
static int i = 0;
constexpr float rotspeed = 80;
glm::mat4 view;
glm::vec3 pos{
-200 + cos(i / 40.0) * 400,
700 + sin(i / 40.0) * 400,
-300,
-selectedModelCenter.x + cos(i / rotspeed) * 400,
-selectedModelCenter.y + sin(i / rotspeed) * 400,
-selectedModelCenter.z - 200,
};
view = glm::rotate(view, -50.f, glm::vec3(1, 0, 0));
view = glm::rotate(view, (i/251.2f)*360 - 90, glm::vec3(0, 0, -1));
view = glm::rotate(view, (i/(6.28f*rotspeed))*360 - 90, glm::vec3(0, 0, -1));
view = glm::translate(view, pos);
glUniformMatrix4fv(uniView, 1, GL_FALSE, glm::value_ptr(view));