//
// 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——boydlee-AntiClaus-e7a0411.zip
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iOS游戏应用源代码——boydlee-AntiClaus-e7a0411.zip (793个子文件)
all-wcprops 17KB
all-wcprops 10KB
all-wcprops 3KB
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all-wcprops 1011B
all-wcprops 905B
all-wcprops 806B
all-wcprops 399B
all-wcprops 391B
all-wcprops 103B
glu.c 3KB
base64.c 2KB
ccUtils.c 364B
LICENSE.cocos2d 1KB
LICENSE.cocosdenshion 1KB
data.db 6KB
entries 18KB
entries 12KB
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entries 597B
entries 355B
uthash.h 63KB
utlist.h 36KB
CCNode.h 17KB
CCCompatibility.h 14KB
CCParticleSystem.h 14KB
CocosDenshion.h 14KB
CCSprite.h 13KB
CCMenuItem.h 13KB
CCActionInterval.h 13KB
ccCArray.h 12KB
CCTexture2D.h 11KB
CCDirectorIOS.h 11KB
ccConfig.h 9KB
CCDirector.h 9KB
CDAudioManager.h 9KB
CCTransition.h 8KB
CGPointExtension.h 8KB
ccMacros.h 7KB
EAGLView.h 7KB
CCActionGrid3D.h 7KB
CCActionTiledGrid.h 7KB
CCEventDispatcher.h 7KB
CCScheduler.h 6KB
CCSpriteBatchNode.h 6KB
CCLayer.h 6KB
CCTMXLayer.h 6KB
ccTypes.h 6KB
CCTMXXMLParser.h 6KB
CCAction.h 6KB
CCActionEase.h 6KB
CCLabelBMFont.h 6KB
CCTMXTiledMap.h 5KB
CCTextureCache.h 5KB
CCActionGrid.h 5KB
CCTextureAtlas.h 5KB
CCSpriteFrameCache.h 5KB
CCAnimation.h 5KB
CCActionInstant.h 4KB
OpenGL_Internal.h 4KB
cocos2d.h 4KB
CLScoreServerRequest.h 4KB
CLScoreServerPost.h 4KB
CCTouchDispatcher.h 4KB
CCActionManager.h 4KB
CCRibbon.h 4KB
CCProtocols.h 4KB
FontLabelStringDrawing.h 4KB
CCRenderTexture.h 4KB
SimpleAudioEngine.h 4KB
CCGrid.h 4KB
CCTexturePVR.h 3KB
CCTouchHandler.h 3KB
CCSpriteFrame.h 3KB
CCConfiguration.h 3KB
CDOpenALSupport.h 3KB
FontManager.h 3KB
CCDrawingPrimitives.h 3KB
ZAttributedString.h 3KB
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