Parallel Programming - Make single threaded version

[matches/honours.git] / course / semester2 / pprog / assignment1 / graphics.c

diff --git a/course/semester2/pprog/assignment1/graphics.c b/course/semester2/pprog/assignment1/graphics.c
new file mode 100644 (file)
index 0000000..62711be
--- /dev/null
+++ b/course/semester2/pprog/assignment1/graphics.c
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+/**
+ * @file graphics.c
+ * @author Sam Moore (20503628) 2012 - adapted from template program provided by UWA
+ * @pur
+
+/*
+ * Initialization of graphics
+ */
+void Init(void) {
+    
+       glClearColor(1.0,1.0,1.0,0.0);
+       glColor3f(0.0f, 0.0f, 0.0f);
+       glPointSize(POINT_SIZE);
+       glMatrixMode(GL_PROJECTION);
+       glLoadIdentity();
+
+       /*init lighting */
+
+       GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
+       GLfloat mat_shininess[] = { 50.0 };
+       GLfloat light_position[] = { 1.0, 1.0, 0.0, 0.0 };
+       glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+       glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+       glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+    glColorMaterial(GL_FRONT,GL_DIFFUSE);                // Set Color Capability
+    
+       glEnable(GL_LIGHTING);
+       glEnable(GL_LIGHT0);
+       glEnable(GL_DEPTH_TEST);
+    
+    glEnable(GL_COLOR_MATERIAL);                      // Enable color
+
+       double displayRatio = 1.0 * WIDTH / HEIGHT;
+       windowWidth = WIDTH;
+       windowHeight = HEIGHT;
+       previousTime = clock();
+       eyeTheta = 0;
+    eyePhi = 0.5 * M_PI;
+    eyeRho = RHO;
+    upY = 1;
+       look[0] = 0;
+       look[1] = 0;
+       look[2] = 0;
+    gluPerspective(VIEW_ANGLE, displayRatio, WORLD_NEAR, WORLD_FAR);  
+}
+
+/*
+ * This function redraws the screen after the positions of particles 
+ * have been updated
+ */
+void Display(void) {
+       glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+       glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    gluLookAt(eyeRho * sin(eyePhi) * sin(eyeTheta), eyeRho * cos(eyePhi),
+                    eyeRho * sin(eyePhi) * cos(eyeTheta),
+                                       look[0], look[1], look[2], 0, upY, 0);
+
+       for (int i = 0; i < N; i++) {
+        //glClearColor(1.0,1.0,1.0,0.0);
+               glColor3f(0.0f, body[i].mass/1e11*100, 0.0f);
+        //glColor3f(1.0f, 0.0f, 0.0f);
+               glPushMatrix(); // to save the current matrix
+               glTranslated(SCALE*body[i].X, SCALE*body[i].Y, SCALE*body[i].Z);
+               glutSolidSphere (BALL_SIZE, 10, 10);
+               glPopMatrix(); // restore the previous matrix
+       }
+       glFlush();
+}