ini

AULA2/main.cpp

@@ -0,0 +1,35 @@
+#include <GL/glut.h>
+
+void display(void)
+{
+    glClearColor(0, 0, 0, 0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glColor3f(0,0,0);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(-2, 2, -2, 2);
+
+    glBegin(GL_POINTS);
+        glVertex2f(-0.5, -0.5);
+        glVertex2f(-0.5, 0.5);
+        glVertex2f(0.5,0.5);
+    glEnd();
+
+
+
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+    glutInitWindowSize(500, 500);
+    glutCreateWindow("GLUT: Exercicio 1");
+    
+    glutDisplayFunc(display);
+    glutMainLoop();
+    
+    return 0;
+}

AULA2/main2.cpp

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+#include <GL/glut.h>
+
+void display(void) {
+
+  glClearColor(0, 1, 0, 0);
+  glClear(GL_COLOR_BUFFER_BIT);
+
+  glFlush();
+}
+
+// Setup the rendering state
+void SetupRC(void) {
+  // Set clear color to blue
+  glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
+}
+
+int main(int argc, char **argv) {
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+  glutInitWindowSize(500, 500);
+  glutCreateWindow("GLUT: Simple");
+
+  glutDisplayFunc(display);
+
+  glutMainLoop();
+
+  return 0;
+}

AULA2/main3.cpp

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+#include <GL/freeglut_std.h>
+#include <GL/gl.h>
+#include <GL/glut.h>
+// Called to draw scene
+void RenderScene(void) {
+  // Clear the window with current clearing color
+  glClear(GL_COLOR_BUFFER_BIT);
+  // Set current drawing color to red :R G B
+  glColor3f(1.0f, 0.0f, 0.0f);
+  // Draw a filled rectangle with current color
+  glRectd(100.0f, 150.0f, 150.0f, 100.0f);
+  // Flush drawing commands
+  glFlush();
+}
+
+// Setup the rendering state
+void SetupRC(void) {
+  // Set clear color to blue
+  glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
+}
+// Called by GLUT library when the window has cahnge size
+void ChangeSize(GLsizei w, GLsizei h) {
+  // Prevent a divide by zero
+  if (h == 0)
+    h = 1;
+  // Set Viewport to window dimensions
+  glViewport(0, 0, w, h);
+
+  // Reset coordinate system
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  // Establish clipping volume (len, right, booom, top,near, far)
+if (w <= h)
+glOrtho (0.0f, 250.0f, 0.0f, 250.0f*h/w, 1.0, -1.0);
+else glOrtho(0.0f, 250.0f * w / h, 0.0f, 250.0f, 1.0, -1.0);
+glMatrixMode(GL_MODELVIEW);
+glLoadIdentity();
+}
+
+// Main program entry point
+int  main(int argc, char **argv) {
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
+  glutInitWindowSize(400, 350);
+  glutInitWindowPosition( 10, 10);
+  glutCreateWindow("GLUT: GLRect");
+  glutDisplayFunc(RenderScene);
+  glutReshapeFunc(ChangeSize);
+  SetupRC();
+  glutMainLoop();
+}