int FsGetMouseEvent(int &lb,int &mb,int &rb,int &mx,int &my)
{
if(0<nMosBufUsed)
{
int eventType=mosBuffer[0].eventType;
mx=mosBuffer[0].mx;
my=mosBuffer[0].my;
lb=mosBuffer[0].lb;
mb=mosBuffer[0].mb;
rb=mosBuffer[0].rb;
int i;
for(i=0; i<nMosBufUsed-1; i++)
{
mosBuffer[i]=mosBuffer[i+1];
}
nMosBufUsed--;
return eventType;
}
else
{
FsGetMouseState(lb,mb,rb,mx,my);
return FSMOUSEEVENT_NONE;
}
}
int main(void)
{
int key;
struct YsGLSLBitmapRenderer *bitmapRenderer;
YsBitmap bmp;
FsChangeToProgramDir();
bmp.LoadPng("flash01.png");
printf("Bitmap dimension %dx%d\n",bmp.GetWidth(),bmp.GetHeight());
FsOpenWindow(32,32,640,480,1);
bitmapRenderer=YsGLSLCreateBitmapRenderer();
key=FSKEY_NULL;
while(FSKEY_ESC!=key)
{
FsPollDevice();
key=FsInkey();
int mx,my,lb,mb,rb;
FsGetMouseState(lb,mb,rb,mx,my);
int wid,hei;
FsGetWindowSize(wid,hei);
glViewport(0,0,wid,hei);
glClearColor(0.0,0.0,0.0,0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glColor3ub(255,255,255);
glBegin(GL_LINES);
glVertex2i(270,240);
glVertex2i(370,240);
glVertex2i(320,190);
glVertex2i(320,290);
glEnd();
YsGLSLUseBitmapRenderer(bitmapRenderer);
YsGLSLRenderRGBABitmap2D(bitmapRenderer,320,240,YSGLSL_HALIGN_RIGHT,YSGLSL_VALIGN_BOTTOM,bmp.GetWidth(),bmp.GetHeight(),bmp.GetRGBABitmapPointer());
YsGLSLEndUseBitmapRenderer(bitmapRenderer);
FsSwapBuffers();
FsSleep(10);
}
YsGLSLDeleteBitmapRenderer(bitmapRenderer);
return 0;
}
int Game(void)
{
DWORD passedTime = 0;
FsPassedTime(true);
//////////// initial setting up the scene ////////////////////////////////////////
int timeSpan = 33; // milliseconds
double timeInc = (double)timeSpan * 0.001; // time increment in seconds
FsGetWindowSize(width, height);
int lb,mb,rb,mx,my;
glViewport(0, 0, width, height);
////////////////////// main simulation loop //////////////////////////
while (1)
{
FsPollDevice();
FsGetMouseState(lb,mb,rb,mx,my);
int key=FsInkey();
if(key == FSKEY_ESC)
break;
timeInc = (double)(passedTime) * 0.001;
clocktime += timeInc;
/////////// update physics /////////////////
updateNumPhysics(simBall1, timeInc);
updatePrecisePhysics(realBall, timeInc);
/////////////////////////////////////////
renderScene();
////// update time lapse /////////////////
passedTime = FsPassedTime(); // Making it up to 50fps
int timediff = timeSpan-passedTime;
// printf("\ntimeInc=%f, passedTime=%d, timediff=%d", timeInc, passedTime, timediff);
while(timediff >= timeSpan/3)
{
FsSleep(5);
passedTime=FsPassedTime(); // Making it up to 50fps
timediff = timeSpan-passedTime;
// printf("--passedTime=%d, timediff=%d", passedTime, timediff);
}
passedTime=FsPassedTime(true); // Making it up to 50fps
}
return 0;
}
int main(void)
{
double cubeMatrix[16]=
{
1.0,0.0,0.0,0.0,
0.0,1.0,0.0,0.0,
0.0,0.0,1.0,0.0,
0.0,0.0,0.0,1.0
};
FsOpenWindow(32,32,800,600,1); // 800x600 pixels, useDoubleBuffer=1
glEnable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glDepthFunc(GL_LESS);
FsPassedTime(); // Reset the timer
while(FsInkey()==0)
{
int mx,my,lb,mb,rb,passed;
double spinX,spinY;
passed=FsPassedTime();
FsPollDevice();
FsGetMouseState(lb,mb,rb,mx,my);
int wid,hei,cx,cy;
FsGetWindowSize(wid,hei);
cx=wid/2;
cy=hei/2;
spinX=(double)((mx-cx)/10)*(double)passed/1000.0; // 1 pixel = degrees/sec
spinY=(double)((my-cy)/10)*(double)passed/1000.0; // 1 pixel = degrees/sec
glClearColor(0.0,0.0,0.0,0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glViewport(0,0,wid,hei);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0,(double)wid/(double)hei,1.0,20.0);
glTranslated(0.0,0.0,-10.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotated(spinX,0.0,1.0,0.0);
glRotated(spinY,1.0,0.0,0.0);
glMultMatrixd(cubeMatrix);
glGetDoublev(GL_MODELVIEW_MATRIX,cubeMatrix);
glBegin(GL_QUADS);
glColor3ub(0,0,255);
glVertex3d(-2.5,-2.5,-2.5);
glVertex3d(-2.5, 2.5,-2.5);
glVertex3d( 2.5, 2.5,-2.5);
glVertex3d( 2.5,-2.5,-2.5);
glColor3ub(255,0,0);
glVertex3d(-2.5,-2.5, 2.5);
glVertex3d(-2.5, 2.5, 2.5);
glVertex3d( 2.5, 2.5, 2.5);
glVertex3d( 2.5,-2.5, 2.5);
glColor3ub(255,0,255);
glVertex3d(-2.5,-2.5,-2.5);
glVertex3d(-2.5,-2.5, 2.5);
glVertex3d(-2.5, 2.5, 2.5);
glVertex3d(-2.5, 2.5,-2.5);
glColor3ub(0,255,0);
glVertex3d( 2.5,-2.5,-2.5);
glVertex3d( 2.5,-2.5, 2.5);
glVertex3d( 2.5, 2.5, 2.5);
glVertex3d( 2.5, 2.5,-2.5);
glColor3ub(0,255,255);
glVertex3d(-2.5,-2.5,-2.5);
glVertex3d(-2.5,-2.5, 2.5);
glVertex3d( 2.5,-2.5, 2.5);
glVertex3d( 2.5,-2.5,-2.5);
glColor3ub(255,255,0);
glVertex3d(-2.5, 2.5,-2.5);
glVertex3d(-2.5, 2.5, 2.5);
glVertex3d( 2.5, 2.5, 2.5);
glVertex3d( 2.5, 2.5,-2.5);
glEnd();
FsSwapBuffers();
FsSleep(20-passed);
}
return 0;
}
