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Vertical aspect for viewer #1

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Vertical aspect for viewer #1

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11 changes: 8 additions & 3 deletions MeshViewer/Camera.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,11 @@ Camera::Camera(int viewWidth, int viewHeight) {
ortho = 0;
viewportWidth = viewWidth;
viewportHeight = viewHeight;
zoom = 1;
horizaspectlock = 16.0 / 9.0
if ((viewportHeight / viewportWidth) < horizaspectlock) {
zoom = zoom / (viewportHeight / viewportWidth) / horizaspectlock;
}
perspectiveFOV = 45.0;
}

Expand All @@ -17,15 +22,15 @@ void Camera::render() {
if (ortho) {
Vector3d temp = eye - lookAt;
double d = temp.length();
double w2 = d * tan(perspectiveFOV / 360 * 3.141592);
double w2 = d * tan(perspectiveFOV / 360 * 3.141592) / zoom;
double h2 = (double)viewportHeight / viewportWidth * w2;
glOrtho(-w2, w2, -h2, h2, 1, 100000);
}
else
gluPerspective(perspectiveFOV, (double)viewportWidth / viewportHeight, 1, 100000);
gluPerspective(atan(tan(perspectiveFOV * 3.141592 / 360) / zoom) * 360 / 3.141592, (double)viewportWidth / viewportHeight, 1, 100000);

glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(eye.x, eye.y, eye.z, lookAt.x, lookAt.y, lookAt.z, up.x, up.y, up.z);

}
}