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(OSX) BasicOpenGLView.m - Remove updateProjection

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twinaphex 2013-07-04 17:02:58 +02:00
parent 0b60036e44
commit 209b3c9919
1 changed files with 1 additions and 37 deletions
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38
osx/BasicOpenGLView.m
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@ -143,42 +143,6 @@ GLenum glReportError (void)
// --------------------------------- // ---------------------------------
// update the projection matrix based on camera and view info
- (void) updateProjection
{
GLdouble ratio, radians, wd2;
GLdouble left, right, top, bottom, near, far;
[[self openGLContext] makeCurrentContext];
// set projection
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
near = -camera.viewPos.z - shapeSize * 0.5;
if (near < 0.00001)
near = 0.00001;
far = -camera.viewPos.z + shapeSize * 0.5;
if (far < 1.0)
far = 1.0;
radians = 0.0174532925 * camera.aperture / 2; // half aperture degrees to radians
wd2 = near * tan(radians);
ratio = camera.viewWidth / (float) camera.viewHeight;
if (ratio >= 1.0) {
left = -ratio * wd2;
right = ratio * wd2;
top = wd2;
bottom = -wd2;
} else {
left = -wd2;
right = wd2;
top = wd2 / ratio;
bottom = -wd2 / ratio;
}
glFrustum (left, right, bottom, top, near, far);
}
// ---------------------------------
// handles resizing of GL need context update and if the window dimensions change, a // handles resizing of GL need context update and if the window dimensions change, a
// a window dimension update, reseting of viewport and an update of the projection matrix // a window dimension update, reseting of viewport and an update of the projection matrix
- (void) resizeGL - (void) resizeGL
@ -192,7 +156,7 @@ GLenum glReportError (void)
camera.viewWidth = rectView.size.width; camera.viewWidth = rectView.size.width;
glViewport (0, 0, camera.viewWidth, camera.viewHeight); glViewport (0, 0, camera.viewWidth, camera.viewHeight);
[self updateProjection]; // update projection matrix [[self openGLContext] makeCurrentContext];
[self updateInfoString]; [self updateInfoString];
} }
} }