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implemented dear imgui for librw

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aap
2017-12-30 11:43:17 +01:00
parent d522a47120
commit 578c5f81fb
25 changed files with 26976 additions and 13 deletions
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20
src/camera.cpp
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@@ -479,11 +479,27 @@ Camera::streamGetSize(void)
s_plglist.streamGetSize(this);
}
// Assumes horizontal FOV for 4:3, but we convert to vertical FOV
void
Camera::setFOV(float32 fov, float32 ratio)
Camera::setFOV(float32 hfov, float32 ratio)
{
V2d v;
float32 a = tan(fov*3.14159f/360.0f);
float w, h;
w = this->frameBuffer->width;
h = this->frameBuffer->height;
if(w < 1 || h < 1){
w = 1;
h = 1;
}
hfov = hfov*3.14159f/360.0f; // deg to rad
float ar1 = 4.0/3.0;
float ar2 = w/h;
float vfov = atan(tan(hfov/2) / ar1) *2;
hfov = atan(tan(vfov/2) * ar2) *2;
float32 a = tan(hfov);
v.set(a, a/ratio);
this->setViewWindow(&v);
v.set(0.0f, 0.0f);