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00024 #include "ExPredefinedObject.h"
00025
00026 void InitBasicObjectList(void)
00027 {
00028 float i;
00029 glNewList(GRILLE,GL_COMPILE);
00030 glDisable(GL_LIGHTING);
00031 glBegin(GL_LINES);
00032 glColor3f(1.0f,0.0f,0.0f);
00033 for ( i=-100;i<101;i++)
00034 {
00035 glVertex3f(0.0f, i, 100.0f);
00036 glVertex3f(0.0f, i,-100.0f);
00037 glVertex3f(0.0f, 100.0f, i);
00038 glVertex3f(0.0f,-100.0f, i);
00039 }
00040 glColor3f(0.0,1.0f,0.0f);
00041
00042 for ( i=-100;i<101;i++)
00043 {
00044 glVertex3f( 100.0f, i,0.0f);
00045 glVertex3f(-100.0f, i,0.0f);
00046 glVertex3f( i, 100.0f,0.0f);
00047 glVertex3f( i,-100.0f,0.0f);
00048 }
00049 glColor3f(0.0,0.0f,1.0f);
00050 for (i=-100;i<101;i++)
00051 {
00052 glVertex3f( 100.0f,0.0f, i);
00053 glVertex3f(-100.0f,0.0f, i);
00054 glVertex3f( i,0.0f, 100.0f);
00055 glVertex3f( i,0.0f,-100.0f);
00056 }
00057 glEnd();
00058 glEnable(GL_LIGHTING);
00059 glEndList();
00060
00061
00062 }
00063
00064 void RenderBitmapString(float x, float y, void *font,const char *string)
00065 {
00066 const char *c;
00067 glRasterPos2f(x, y);
00068 for (c=string; *c != '\0'; c++)
00069 {
00070 glutBitmapCharacter(font, *c);
00071 }
00072 }
00073
00074 void EnterOrthoMode(void)
00075 {
00076 glMatrixMode(GL_PROJECTION);
00077 glPushMatrix();
00078 glLoadIdentity();
00079 glOrtho( 0,glutGet(GLUT_WINDOW_WIDTH),glutGet(GLUT_WINDOW_HEIGHT),0,0,1);
00080 glMatrixMode(GL_MODELVIEW);
00081 glLoadIdentity();
00082 }
00083
00084 void LeaveOrthoMode(void)
00085 {
00086 glMatrixMode( GL_PROJECTION );
00087 glPopMatrix();
00088 glMatrixMode( GL_MODELVIEW );
00089 }