render.c

   1 #include <GL/glut.h>
   2
   3 #include "render.h"
   4 #include "typedefs.h"
   5
   6 const float AXIS_RADIUS = 5.0f;
   7
   8 void render_scene() {
   9         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  10         glLoadIdentity();
  11
  12         draw_axes();
  13
  14         test_draw_wall();
  15
  16         glFlush();
  17         glutSwapBuffers();
  18 }
  19
  20 void draw_axes() {
  21         Point3f x_axis_start = { 0.0f, 0.0f, 0.0f };
  22         Point3f x_axis_end = { AXIS_RADIUS, 0.0f, 0.0f };
  23         Point3f y_axis_start = { 0.0f, 0.0f, 0.0f };
  24         Point3f y_axis_end = { 0.0f, AXIS_RADIUS, 0.0f };
  25         Point3f z_axis_start = { 0.0f, 0.0f, 0.0f };
  26         Point3f z_axis_end = { 0.0f, 0.0f, AXIS_RADIUS };
  27
  28         glColor3f(1.0f, 0.0f, 0.0f);
  29         glBegin(GL_LINES);
  30         glVertex3fv(x_axis_start);
  31         glVertex3fv(x_axis_end);
  32         glEnd();
  33
  34         glColor3f(0.0f, 1.0f, 0.0f);
  35         glBegin(GL_LINES);
  36         glVertex3fv(y_axis_start);
  37         glVertex3fv(y_axis_end);
  38         glEnd();
  39
  40         glColor3f(0.0f, 0.0f, 1.0f);
  41         glBegin(GL_LINES);
  42         glVertex3fv(z_axis_start);
  43         glVertex3fv(z_axis_end);
  44         glEnd();
  45 }
  46
  47 void test_draw_wall() {
  48
  49 }