Finished Exercises for Week 05

A little late, huh?
Also. ONE. BLOODY. HOUR. To get this damn libSOIL working and then I found
out that I could use "apt-get install libsoil-dev".
(╯°□°）╯︵ ┻━┻  Fuck that.
Oh, wait. I still have to write the report.

Exercises/Week05/Ex-05-01.cpp

@@ -28,7 +28,7 @@ void init (void)
 {
 	glClearColor (1.,1.,1.,1.);
 	glShadeModel (GL_FLAT);
-	glEnable (GL_DEPTH_TEST);
+	//glEnable (GL_DEPTH_TEST);
 }
 
 void display (void)

Exercises/Week05/Ex-05-04.cpp

@@ -0,0 +1,104 @@
+/*  02561-05-03.cpp
+ *
+ *  checker.c  = oglpg9.1
+ *  This program texture maps a checkerboard image onto
+ *  two rectangles.  This program clamps the texture, if
+ *  the texture coordinates fall outside 0.0 and 1.0.
+ */
+#include <GL/glut.h>
+
+/*	Create checkerboard texture	*/
+#define	checkImageWidth 64
+#define	checkImageHeight 64
+GLubyte checkImage[checkImageWidth][checkImageHeight][3];
+
+void makeCheckImage(void)
+{
+    int i, j, c;
+
+    for (i = 0; i < checkImageWidth; i++) {
+	for (j = 0; j < checkImageHeight; j++) {
+	    c = ((((i&0x8)==0)^((j&0x8))==0))*255;
+	    checkImage[i][j][0] = (GLubyte) c;
+	    checkImage[i][j][1] = (GLubyte) c;
+	    checkImage[i][j][2] = (GLubyte) c;
+	}
+    }
+}
+
+void myinit(void)
+{    
+    glClearColor (0.0, 0.0, 0.0, 0.0);
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+
+    makeCheckImage();
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glTexImage2D(GL_TEXTURE_2D, 0, 3, checkImageWidth, 
+	    checkImageHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, 
+	    &checkImage[0][0][0]);
+
+    gluBuild2DMipmaps( GL_TEXTURE_2D, 3, checkImageWidth, checkImageHeight,
+    GL_RGB, GL_UNSIGNED_BYTE, &checkImage[0][0][0] ); 
+
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+    glEnable(GL_TEXTURE_2D);
+    glShadeModel(GL_FLAT);
+}
+
+void display(void)
+{
+    double polygon[][3] = {
+      0, 0, 0,
+      10, 0, 0,
+      10, 6, 0,
+      5, 10, 0,
+      0, 6, 0
+    };
+
+    double text[][2] = {
+      0, 0,
+      10, 0,
+      10, 6,
+      5, 10,
+      0, 6
+    };
+
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glBegin(GL_POLYGON);
+      glTexCoord2dv(text[0]); glVertex3dv(polygon[0]);
+      glTexCoord2dv(text[1]); glVertex3dv(polygon[1]);
+      glTexCoord2dv(text[2]); glVertex3dv(polygon[2]);
+      glTexCoord2dv(text[3]); glVertex3dv(polygon[3]);
+      glTexCoord2dv(text[4]); glVertex3dv(polygon[4]);
+    glEnd();
+    glutSwapBuffers();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(-5.0, -5.0, -20);
+}
+
+int
+main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+    glutCreateWindow("checker");
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}

Exercises/Week05/Ex-05-05.cpp

@@ -0,0 +1,111 @@
+/*  02561-05-03.cpp
+ *
+ *  checker.c  = oglpg9.1
+ *  This program texture maps a checkerboard image onto
+ *  two rectangles.  This program clamps the texture, if
+ *  the texture coordinates fall outside 0.0 and 1.0.
+ */
+#include <GL/glut.h>
+#include <math.h>
+
+/*	Create checkerboard texture	*/
+#define	checkImageWidth 64
+#define	checkImageHeight 64
+GLubyte checkImage[checkImageWidth][checkImageHeight][3];
+
+void makeCheckImage(void)
+{
+    int i, j, c;
+
+    for (i = 0; i < checkImageWidth; i++) {
+	for (j = 0; j < checkImageHeight; j++) {
+	    c = ((((i&0x8)==0)^((j&0x8))==0))*255;
+	    checkImage[i][j][0] = (GLubyte) c;
+	    checkImage[i][j][1] = (GLubyte) c;
+	    checkImage[i][j][2] = (GLubyte) c;
+	}
+    }
+}
+
+void myinit(void)
+{    
+    glClearColor (0.0, 0.0, 0.0, 0.0);
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+
+    makeCheckImage();
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glTexImage2D(GL_TEXTURE_2D, 0, 3, checkImageWidth, 
+	    checkImageHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, 
+	    &checkImage[0][0][0]);
+
+    gluBuild2DMipmaps( GL_TEXTURE_2D, 3, checkImageWidth, checkImageHeight,
+    GL_RGB, GL_UNSIGNED_BYTE, &checkImage[0][0][0] ); 
+
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+    glEnable(GL_TEXTURE_2D);
+    glShadeModel(GL_FLAT);
+}
+
+void display(void)
+{
+    double polygon[][3] = {
+      0, 0, 0,
+      10, 0, 0,
+      10, 6, 0,
+      5, 10, 0,
+      0, 6, 0
+    };
+
+    double text[][2] = {
+      0, 0,
+      1.0, 0,
+      1.0, .6,
+      .5, 1.0,
+      0, .6
+    };
+
+    glMatrixMode(GL_TEXTURE);
+    glLoadIdentity();
+    glRotated(45, 0, 0, 1);
+    glScaled(1.75,1.75,1.75);
+    glMatrixMode(GL_MODELVIEW);
+
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glBegin(GL_POLYGON);
+      glTexCoord2dv(text[0]); glVertex3dv(polygon[0]);
+      glTexCoord2dv(text[1]); glVertex3dv(polygon[1]);
+      glTexCoord2dv(text[2]); glVertex3dv(polygon[2]);
+      glTexCoord2dv(text[3]); glVertex3dv(polygon[3]);
+      glTexCoord2dv(text[4]); glVertex3dv(polygon[4]);
+    glEnd();
+    glutSwapBuffers();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(-5.0, -5.0, -20);
+}
+
+int
+main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+    glutCreateWindow("checker");
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}

Exercises/Week05/Ex-05-06.cpp

@@ -0,0 +1,117 @@
+/*  02561-05-03.cpp
+ *
+ *  checker.c  = oglpg9.1
+ *  This program texture maps a checkerboard image onto
+ *  two rectangles.  This program clamps the texture, if
+ *  the texture coordinates fall outside 0.0 and 1.0.
+ */
+#include <GL/glut.h>
+#include <math.h>
+#include <SOIL/SOIL.h>
+
+/*	Create checkerboard texture	*/
+#define	checkImageWidth 64
+#define	checkImageHeight 64
+GLubyte checkImage[checkImageWidth][checkImageHeight][3];
+GLuint  horoTex;
+
+void makeCheckImage(void)
+{
+    int i, j, c;
+
+    for (i = 0; i < checkImageWidth; i++) {
+	for (j = 0; j < checkImageHeight; j++) {
+	    c = ((((i&0x8)==0)^((j&0x8))==0))*255;
+	    checkImage[i][j][0] = (GLubyte) c;
+	    checkImage[i][j][1] = (GLubyte) c;
+	    checkImage[i][j][2] = (GLubyte) c;
+	}
+    }
+}
+
+void myinit(void)
+{    
+    glClearColor (0.0, 0.0, 0.0, 0.0);
+    glEnable(GL_DEPTH_TEST);
+    glDepthFunc(GL_LESS);
+
+    horoTex = SOIL_load_OGL_texture ( "Horo.jpg",
+                SOIL_LOAD_AUTO,
+		            SOIL_CREATE_NEW_ID,
+		            SOIL_FLAG_MIPMAPS | SOIL_FLAG_INVERT_Y | SOIL_FLAG_NTSC_SAFE_RGB | SOIL_FLAG_COMPRESS_TO_DXT
+              );
+
+
+    makeCheckImage();
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    /*glTexImage2D(GL_TEXTURE_2D, 0, 3, checkImageWidth, 
+	    checkImageHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, 
+	    &checkImage[0][0][0]);
+    
+    gluBuild2DMipmaps( GL_TEXTURE_2D, 3, checkImageWidth, checkImageHeight,
+    GL_RGB, GL_UNSIGNED_BYTE, &checkImage[0][0][0] );*/
+
+    glBindTexture (GL_TEXTURE_2D, horoTex);
+
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+    glEnable(GL_TEXTURE_2D);
+    glShadeModel(GL_FLAT);
+}
+
+void display(void)
+{
+    double polygon[][3] = {
+      0, 0, 0,
+      10, 0, 0,
+      10, 6, 0,
+      5, 10, 0,
+      0, 6, 0
+    };
+
+    double text[][2] = {
+      0, 0,
+      1.0, 0,
+      1.0, .6,
+      .5, 1.0,
+      0, .6
+    };
+
+
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glBegin(GL_POLYGON);
+      glTexCoord2dv(text[0]); glVertex3dv(polygon[0]);
+      glTexCoord2dv(text[1]); glVertex3dv(polygon[1]);
+      glTexCoord2dv(text[2]); glVertex3dv(polygon[2]);
+      glTexCoord2dv(text[3]); glVertex3dv(polygon[3]);
+      glTexCoord2dv(text[4]); glVertex3dv(polygon[4]);
+    glEnd();
+    glutSwapBuffers();
+}
+
+void myReshape(int w, int h)
+{
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(60.0, 1.0*(GLfloat)w/(GLfloat)h, 1.0, 30.0);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(-5.0, -5.0, -20);
+}
+
+int
+main(int argc, char** argv)
+{
+    glutInit(&argc, argv);
+    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+    glutCreateWindow("checker");
+    myinit();
+    glutReshapeFunc (myReshape);
+    glutDisplayFunc(display);
+    glutMainLoop();
+    return 0;             /* ANSI C requires main to return int. */
+}

Exercises/Week07/Ex-07-01.cpp

@@ -82,7 +82,7 @@ void display (void)
   };
 
   GLfloat lightPos[] = {
-    0, 10, 0, 1
+    -10, 10, 0, 1
   };
 
 	glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);