//
// 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——atreat-TowerDefense-43e3491.zip
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iOS游戏应用源代码——atreat-TowerDefense-43e3491.zip (274个子文件)
glu.c 3KB
base64.c 2KB
ccUtils.c 364B
LICENSE.cocos2d 1KB
LICENSE.cocosdenshion 1KB
control 64KB
build-state~.dat 6KB
build-state.dat 6KB
build-state~.dat 481B
build-state.dat 481B
TowerDefenseTutorial.dep 4KB
TowerDefenseTutorial~.dep 4KB
cocos2d libraries~.dep 0B
cocos2d libraries.dep 0B
uthash.h 63KB
utlist.h 36KB
CCNode.h 16KB
CCCompatibility.h 14KB
CCParticleSystem.h 14KB
CocosDenshion.h 13KB
CCActionInterval.h 13KB
CCMenuItem.h 12KB
CCSprite.h 12KB
ccCArray.h 12KB
CCTexture2D.h 11KB
CCDirectorIOS.h 10KB
CDAudioManager.h 9KB
ccConfig.h 9KB
CCDirector.h 9KB
CCTransition.h 8KB
CGPointExtension.h 8KB
ccMacros.h 7KB
CCActionGrid3D.h 7KB
CCActionTiledGrid.h 7KB
CCScheduler.h 6KB
CCEventDispatcher.h 6KB
EAGLView.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
CCSpriteFrame.h 5KB
CCTMXTiledMap.h 5KB
CCActionGrid.h 5KB
CCTextureCache.h 5KB
CCTextureAtlas.h 5KB
CCSpriteFrameCache.h 5KB
OpenGL_Internal.h 4KB
CCActionInstant.h 4KB
CLScoreServerRequest.h 4KB
CLScoreServerPost.h 4KB
CCTouchDispatcher.h 4KB
CCActionManager.h 4KB
cocos2d.h 4KB
CCRibbon.h 4KB
FontLabelStringDrawing.h 4KB
SimpleAudioEngine.h 4KB
CCGrid.h 4KB
CCProtocols.h 4KB
CCConfiguration.h 3KB
CCTouchHandler.h 3KB
CCTexturePVR.h 3KB
CDOpenALSupport.h 3KB
FontManager.h 3KB
ZAttributedString.h 3KB
CCDrawingPrimitives.h 3KB
CCRenderTexture.h 3KB
CCAtlasNode.h 3KB
CCGL.h 3KB
CCArray.h 3KB
CCTouchDelegateProtocol.h 3KB
CCTileMapAtlas.h 3KB
CCProgressTimer.h 3KB
CCCamera.h 3KB
CCMotionStreak.h 3KB
CCLabelAtlas.h 3KB
CCMenu.h 3KB
CCParticleExamples.h 3KB
CDConfig.h 3KB
CCLabelTTF.h 3KB
MacGLView.h 3KB
CCSpriteSheet.h 2KB
CCParticleSystemQuad.h 2KB
CCActionCamera.h 2KB
CCNS.h 2KB
CDataScanner.h 2KB
CCActionTween.h 2KB
CCTransitionPageTurn.h 2KB
CCDirectorMac.h 2KB
CCTMXObjectGroup.h 2KB
CCActionProgressTimer.h 2KB
ES1Renderer.h 2KB
CCBlockSupport.h 2KB
CCParticleSystemPoint.h 2KB
CJSONDeserializer.h 2KB
CCParallaxNode.h 2KB
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