//
// cocos2d (incomplete) GLU implementation
//
// gluLookAt and gluPerspective from:
// http://jet.ro/creations (San Angeles Observation)
//
//
// Only compile this code on iOS. These files should NOT be included on your Mac project.
// But in case they are included, it won't be compiled.
#import <Availability.h>
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
#import <OpenGLES/ES1/gl.h>
#import <math.h>
#import "../../Support/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);
}
#endif // __IPHONE_OS_VERSION_MAX_ALLOWED
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iOS游戏应用源代码——Bubba88-Tower-game-4c0bfde.zip
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iOS游戏应用源代码——Bubba88-Tower-game-4c0bfde.zip (390个子文件)
libcocos2d libraries.a 3.76MB
glu.c 3KB
base64.c 2KB
ccUtils.c 366B
LICENSE.cocos2d 1KB
LICENSE.cocosdenshion 1KB
control 256KB
build-state.dat 320KB
build-state~.dat 320KB
build-state.dat 66KB
build-state~.dat 63KB
cocos2d libraries~.dep 22KB
cocos2d libraries.dep 22KB
Tower Game.dep 5KB
Tower Game~.dep 5KB
lego.good.gif 1KB
lego.gif 1KB
lego.excellent.gif 1KB
lego.good.gif 1KB
lego.gif 1KB
lego.excellent.gif 1KB
uthash.h 64KB
utlist.h 36KB
CCNode.h 18KB
CocosDenshion.h 14KB
CCParticleSystem.h 14KB
CCMenuItem.h 14KB
CCActionInterval.h 14KB
ccCArray.h 13KB
CCTexture2D.h 12KB
CCSprite.h 12KB
ccConfig.h 11KB
CCDirector.h 10KB
CDAudioManager.h 9KB
CCLayer.h 9KB
ccMacros.h 8KB
CCTransition.h 8KB
CCEventDispatcher.h 8KB
CGPointExtension.h 8KB
CCDirectorIOS.h 8KB
EAGLView.h 7KB
CCActionGrid3D.h 7KB
CCActionTiledGrid.h 7KB
ccTypes.h 6KB
CCScheduler.h 6KB
CCTMXLayer.h 6KB
CCAction.h 6KB
CCTMXXMLParser.h 6KB
CCActionEase.h 6KB
CCTextureCache.h 5KB
CCTextureAtlas.h 5KB
CCLabelBMFont.h 5KB
CCSpriteBatchNode.h 5KB
CCActionGrid.h 5KB
CCActionInstant.h 5KB
CCTMXTiledMap.h 5KB
CCSpriteFrameCache.h 5KB
OpenGL_Internal.h 4KB
CCTexturePVR.h 4KB
CCTouchDispatcher.h 4KB
CLScoreServerRequest.h 4KB
CLScoreServerPost.h 4KB
cocos2d.h 4KB
CCRibbon.h 4KB
CCProtocols.h 4KB
CJSONScanner.h 4KB
CCRenderTexture.h 4KB
CCActionManager.h 4KB
FontLabelStringDrawing.h 4KB
SimpleAudioEngine.h 4KB
CCGrid.h 4KB
CCLabelTTF.h 4KB
CCConfiguration.h 4KB
CCSpriteFrame.h 3KB
CCTouchHandler.h 3KB
CCDirectorMac.h 3KB
CCArray.h 3KB
CDOpenALSupport.h 3KB
CCAtlasNode.h 3KB
FontManager.h 3KB
CCCamera.h 3KB
CCAnimation.h 3KB
CCDrawingPrimitives.h 3KB
CCNS.h 3KB
ZAttributedString.h 3KB
CCGL.h 3KB
CCTouchDelegateProtocol.h 3KB
MacGLView.h 3KB
CCTileMapAtlas.h 3KB
CCMenu.h 3KB
CCProgressTimer.h 3KB
CCMotionStreak.h 3KB
CCParticleExamples.h 3KB
CDConfig.h 3KB
CCParticleSystemQuad.h 3KB
CDataScanner.h 3KB
CJSONDeserializer.h 2KB
CCLabelAtlas.h 2KB
CCActionCamera.h 2KB
CCActionTween.h 2KB
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