diff options
Diffstat (limited to 'src/common.cpp')
| -rw-r--r-- | src/common.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/common.cpp b/src/common.cpp index cd568ad..a8a964e 100644 --- a/src/common.cpp +++ b/src/common.cpp @@ -10,3 +10,25 @@ void DEBUG_prints(const char* file, int line, const char *s,...){ vprintf(s,args); va_end(args); } + +void safeSetColor(int r,int g,int b){ // safeSetColor() is an alternative to directly using glColor3ub() to set + if(r>255)r=255; // the color for OpenGL drawing. safeSetColor() checks for values that are + if(g>255)g=255; // outside the range of an unsigned character and sets them to a safer value. + if(b>255)b=255; + if(r<0)r=0; + if(g<0)g=0; + if(b<0)b=0; + glColor3ub(r,g,b); +} + +void safeSetColorA(int r,int g,int b,int a){ + if(r>255)r=255; + if(g>255)g=255; + if(b>255)b=255; + if(a>255)a=255; + if(r<0)r=0; + if(g<0)g=0; + if(b<0)b=0; + if(a<0)a=0; + glColor4ub(r,g,b,a); +} |