//
// cocos2d (incomplete) GLU implementation
//
// gluLookAt and gluPerspective from:
// http://jet.ro/creations (San Angeles Observation)
//
//
#import <OpenGLES/ES1/gl.h>
#import <math.h>
#import "OpenGL_Internal.h"
#include "glu.h"
void gluPerspective(GLfloat fovy, GLfloat aspect, GLfloat zNear, GLfloat zFar)
{
GLfloat xmin, xmax, ymin, ymax;
ymax = zNear * (GLfloat)tanf(fovy * (float)M_PI / 360);
ymin = -ymax;
xmin = ymin * aspect;
xmax = ymax * aspect;
glFrustumf(xmin, xmax,
ymin, ymax,
zNear, zFar);
}
void gluLookAt(GLfloat eyex, GLfloat eyey, GLfloat eyez,
GLfloat centerx, GLfloat centery, GLfloat centerz,
GLfloat upx, GLfloat upy, GLfloat upz)
{
GLfloat m[16];
GLfloat x[3], y[3], z[3];
GLfloat mag;
/* Make rotation matrix */
/* Z vector */
z[0] = eyex - centerx;
z[1] = eyey - centery;
z[2] = eyez - centerz;
mag = (float)sqrtf(z[0] * z[0] + z[1] * z[1] + z[2] * z[2]);
if (mag) {
z[0] /= mag;
z[1] /= mag;
z[2] /= mag;
}
/* Y vector */
y[0] = upx;
y[1] = upy;
y[2] = upz;
/* X vector = Y cross Z */
x[0] = y[1] * z[2] - y[2] * z[1];
x[1] = -y[0] * z[2] + y[2] * z[0];
x[2] = y[0] * z[1] - y[1] * z[0];
/* Recompute Y = Z cross X */
y[0] = z[1] * x[2] - z[2] * x[1];
y[1] = -z[0] * x[2] + z[2] * x[0];
y[2] = z[0] * x[1] - z[1] * x[0];
/* cross product gives area of parallelogram, which is < 1.0 for
* non-perpendicular unit-length vectors; so normalize x, y here
*/
mag = (float)sqrtf(x[0] * x[0] + x[1] * x[1] + x[2] * x[2]);
if (mag) {
x[0] /= mag;
x[1] /= mag;
x[2] /= mag;
}
mag = (float)sqrtf(y[0] * y[0] + y[1] * y[1] + y[2] * y[2]);
if (mag) {
y[0] /= mag;
y[1] /= mag;
y[2] /= mag;
}
#define M(row,col) m[col*4+row]
M(0, 0) = x[0];
M(0, 1) = x[1];
M(0, 2) = x[2];
M(0, 3) = 0.0f;
M(1, 0) = y[0];
M(1, 1) = y[1];
M(1, 2) = y[2];
M(1, 3) = 0.0f;
M(2, 0) = z[0];
M(2, 1) = z[1];
M(2, 2) = z[2];
M(2, 3) = 0.0f;
M(3, 0) = 0.0f;
M(3, 1) = 0.0f;
M(3, 2) = 0.0f;
M(3, 3) = 1.0f;
#undef M
glMultMatrixf(m);
/* Translate Eye to Origin */
glTranslatef(-eyex, -eyey, -eyez);
}
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IOS应用源码之BinaryClock.rar
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IOS应用源码之BinaryClock.rar (342个子文件)
libcocos2d libraries.a 3.78MB
Binary Clock 1.33MB
Binary Clock 1.33MB
glu.c 2KB
base64.c 2KB
CCArray 36KB
CCLabel 23KB
CCLayer 74KB
CCScene 40KB
CCSpriteFrame 33KB
CCSpriteSheet 51KB
CCTextureNode 2KB
CCTMXTiledMap 33KB
cocos2d 5KB
LICENSE.cocos2d 1KB
CocosDenshion 129KB
LICENSE.cocosdenshion 1KB
build-state.dat 753KB
build-state~.dat 351KB
build-state.dat 139KB
build-state~.dat 43KB
build-state.dat 2KB
build-state.dat 155B
cocos2d libraries.dep 71KB
cocos2d libraries~.dep 24KB
Binary Clock.dep 10KB
Binary Clock~.dep 3KB
Binary Clock.dep 1KB
cocos2d libraries.dep 0B
uthash.h 63KB
utlist.h 36KB
CCDirector.h 16KB
CCNode.h 16KB
CCCompatibility.h 14KB
CCParticleSystem.h 14KB
CocosDenshion.h 13KB
CCIntervalAction.h 13KB
CCMenuItem.h 12KB
ccCArray.h 12KB
CCSprite.h 12KB
CCTexture2D.h 10KB
CDAudioManager.h 9KB
CCTransition.h 8KB
CGPointExtension.h 8KB
ccConfig.h 7KB
CCTiledGridAction.h 7KB
CCScheduler.h 6KB
CCGrid3DAction.h 6KB
CCTMXLayer.h 6KB
EAGLView.h 6KB
CCSpriteSheet.h 6KB
ccMacros.h 6KB
CCEaseAction.h 6KB
CCAction.h 6KB
ccTypes.h 6KB
CCTMXXMLParser.h 5KB
CCBitmapFontAtlas.h 5KB
CCTMXTiledMap.h 5KB
CCGridAction.h 5KB
CCTextureAtlas.h 5KB
CCSpriteFrame.h 5KB
CCLayer.h 5KB
CCTextureCache.h 5KB
OpenGL_Internal.h 4KB
CCInstantAction.h 4KB
CLScoreServerRequest.h 4KB
CLScoreServerPost.h 4KB
CCActionManager.h 4KB
CCSpriteFrameCache.h 4KB
CCRibbon.h 4KB
CCTouchDispatcher.h 4KB
FontLabelStringDrawing.h 4KB
SimpleAudioEngine.h 4KB
cocos2d.h 4KB
CCGrid.h 4KB
CCProtocols.h 4KB
CDOpenALSupport.h 3KB
FontManager.h 3KB
CCPVRTexture.h 3KB
CCTouchHandler.h 3KB
CCAtlasNode.h 3KB
ZAttributedString.h 3KB
CCArray.h 3KB
CCTileMapAtlas.h 3KB
CCCamera.h 3KB
CCProgressTimer.h 3KB
CCMotionStreak.h 3KB
CCDrawingPrimitives.h 3KB
CCMenu.h 3KB
CCTouchDelegateProtocol.h 3KB
CDConfig.h 3KB
CCConfiguration.h 3KB
CCRenderTexture.h 3KB
CCLabel.h 3KB
CCCameraAction.h 2KB
CCQuadParticleSystem.h 2KB
CCLabelAtlas.h 2KB
CDataScanner.h 2KB
CCPropertyAction.h 2KB
CCPageTurnTransition.h 2KB
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