Use double buffering

[seamulator.git] / seamulator.cpp

diff --git a/seamulator.cpp b/seamulator.cpp
index b6739b5641f1a3332f6f2ddf63f8d2aa931a1e7d..572c154f256dcb4004a45abb5220f19b480a07e5 100644 (file)
--- a/seamulator.cpp
+++ b/seamulator.cpp
@@ -6,48 +6,32 @@
 #include "watersurface.h"
 
 const int LATTICE_SIZE = 10;
-const int LATTICE_UNIT = 1;
+const double LATTICE_UNIT = 1;
 
 SeaPtr sea;
 WaterSurfacePtr surface;
 
-void drawSingleTile(int x, int y)
+void setupView()
 {
-  glBegin(GL_TRIANGLES);
-
-  glVertex3f(x, y, surface->at(x, y).getHeight());
-  glVertex3f(x+1, y, surface->at(x+1, y).getHeight());
-  glVertex3f(x+1, y+1, surface->at(x+1, y+1).getHeight());
-
-  glVertex3f(x, y, surface->at(x, y).getHeight());
-  glVertex3f(x, y+1, surface->at(x, y+1).getHeight());
-  glVertex3f(x+1, y+1, surface->at(x+1, y+1).getHeight());
-
-  glEnd();
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  gluPerspective(50, (GLfloat)300 / (GLfloat)300, 0, 1000);
+  gluLookAt(0,-10,10, 0,0,0, 0,1,0);
 }
 
 void displayMe(void)
 {
-  glMatrixMode(GL_PROJECTION); // Switch to the projection matrix so that we can manipulate how our scene is viewed  
-  glLoadIdentity(); // Reset the projection matrix to the identity matrix so that we don't get any artifacts (cleaning up)
-  gluPerspective(50, (GLfloat)300 / (GLfloat)300, 0, 1000); // Set the Field of view angle (in degrees), the aspect ratio of our window, and the new and far planes
-  gluLookAt(0,-10,10, 0,0,0, 0,1,0);
+  setupView();
+
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
 
   glClear(GL_COLOR_BUFFER_BIT);
 
   sea->update();
+  surface->draw();
 
-  glScalef(LATTICE_UNIT, LATTICE_UNIT, 1.0f);
-  glTranslatef(-(float)(LATTICE_SIZE-1)/2, -(float)(LATTICE_SIZE-1)/2, 0);
-  for (int y = 0; y < LATTICE_SIZE-1; ++y) {
-    for (int x = 0; x < LATTICE_SIZE-1; ++x) {
-      drawSingleTile(x, y);
-    }
-  }
-
-  glFlush();
+  glutSwapBuffers();
 
   glutPostRedisplay();
 }
@@ -56,12 +40,11 @@ int main(int argc, char** argv)
 {
   std::srand(std::time(0));
 
-  surface = std::make_shared<WaterSurface>(LATTICE_SIZE);
+  surface = std::make_shared<WaterSurface>(LATTICE_SIZE, LATTICE_UNIT);
   sea = std::make_shared<Sea>(surface);
 
   glutInit(&argc, argv);
-  glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB|GLUT_DEPTH);
-  glEnable(GL_DEPTH_TEST);
+  glutInitDisplayMode(GLUT_DOUBLE);
   glutInitWindowSize(300, 300);
   glutInitWindowPosition(100, 100);
   glutCreateWindow("seamulator");
@@ -69,6 +52,8 @@ int main(int argc, char** argv)
   glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
 
   glutDisplayFunc(displayMe);
+
   glutMainLoop();
+
   return 0;
 }