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better animate rate (Marcelo Magallon)

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This commit is contained in:
Brian Paul
2005-01-09 17:37:50 +00:00
parent 516f9bc6e3
commit 92eddb0fd4
17 changed files with 177 additions and 77 deletions
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18
progs/demos/gloss.c
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@@ -21,9 +21,10 @@
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <GL/glut.h>
#include "readtex.c" /* I know, this is a hack. */
#include "readtex.h"
#define SPECULAR_TEXTURE_FILE "../images/reflect.rgb"
#define BASE_TEXTURE_FILE "../images/tile.rgb"
@@ -43,7 +44,7 @@ static GLuint Object = 0;
static GLboolean Animate = GL_TRUE;
static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0;
static GLfloat DXrot = 1.0, DYrot = 2.5;
static GLfloat DXrot = 20.0, DYrot = 50.;
static GLfloat Black[4] = { 0, 0, 0, 0 };
static GLfloat White[4] = { 1, 1, 1, 1 };
@@ -58,13 +59,18 @@ static GLint T0 = 0;
static GLint Frames = 0;
static void Idle( void )
{
static double t0 = -1.;
double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
if (t0 < 0.0)
t0 = t;
dt = t - t0;
t0 = t;
if (Animate) {
Xrot += DXrot;
Yrot += DYrot;
Xrot += DXrot*dt;
Yrot += DYrot*dt;
glutPostRedisplay();
}
}