Mohammad Shakermohammadshaker.com mohammadshakergtr.wordpress.com

OpenGL Starter Course@ZGTRShaker

This is a very short 2-slide intro to OpenGL

References

References (www.nehe.gamedev.net)

Take a Look on XNA and My Other Courses @ http://www.slideshare.net/ZGTRZGTR

and @ http://mohammadshakergtr.wordpress.com/

Available courses to the date of this slide:

Explore My

Authoring tool for Cut the Rope!A Full implementation of a clone of Cut the Rope for Research Purposes

mohammadshaker.com/ropossum

Let’s go OpenGling

ART

3D

3Dimensions!

3Dimensions!

3Dimensions!

3Dimensions!

3Dimensions!

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Game Engines

Next Generation Games

Battlefield 3

Battlefield 3

Battlefield 3

Battlefield 3

Battlefield 3

Battlefield 3

Let’s dig deeper

Viewing

Cartesian viewing volume

Library!

Projection

Projection?!

Camera

Real VS Illusion?!

Perspective or Orthographic

Perspective or Orthographic

Perspective or Orthographic

Perspective or Orthographic

Perspective or Orthographic

Perspective or Orthographic

Perspective or Orthographic

Perspective or Orthographic

Perspective or Orthographic

Camera

Camera

Camera

Camera

Camera

Camera

Camera

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Projection and Camera

Projection (GL_PROJECTION), gluPerspective

Camera (GL_MODELVIEW), gluLookAt

Your First Polygon!

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

// Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glLoadIdentity(); // Reset The View

glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glBegin(GL_TRIANGLES); // Drawing Using Triangles

glVertex3f( 0.0f, 1.0f, 0.0f); // Top glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

glTranslatef(3.0f,0.0f,0.0f); // Move Right 3 UnitsglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quad return TRUE; // Keep Going

}

Your First Polygon!

• Coloring!

Your First Polygon!

• Coloring!

glBegin(GL_TRIANGLES); // Drawing Using TrianglesglColor3f(1.0f,0.0f,0.0f); // Set The Color To RedglVertex3f( 0.0f, 1.0f, 0.0f); // TopglColor3f(0.0f,1.0f,0.0f); // Set The Color To GreenglVertex3f(-1.0f,-1.0f, 0.0f); // Bottom LeftglColor3f(0.0f,0.0f,1.0f); // Set The Color To BlueglVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

Your First Polygon!

Your First Polygon!

• Coloring!

glBegin(GL_TRIANGLES); // Drawing Using TrianglesglColor3f(1.0f,0.0f,0.0f); // Set The Color To RedglVertex3f( 0.0f, 1.0f, 0.0f); // TopglColor3f(0.0f,1.0f,0.0f); // Set The Color To GreenglVertex3f(-1.0f,-1.0f, 0.0f); // Bottom LeftglColor3f(0.0f,0.0f,1.0f); // Set The Color To BlueglVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right

glEnd(); // Finished Drawing The Triangle

Transformations

TransformationsGLfloat rtri; // Angle For The Triangle ( NEW )GLfloat rquad; // Angle For The Quad ( NEW )int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth BufferglLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glRotatef(rtri,0.0f,1.0f,0.0f); // Rotate The Triangle On The Y axis ( NEW )glBegin(GL_TRIANGLES); // Start Drawing A Triangle

glColor3f(1.0f,0.0f,0.0f); // Set Top Point Of Triangle To RedglVertex3f( 0.0f, 1.0f, 0.0f); // First Point Of The TriangleglColor3f(0.0f,1.0f,0.0f); // Set Left Point Of Triangle To GreenglVertex3f(-1.0f,-1.0f, 0.0f); // Second Point Of The TriangleglColor3f(0.0f,0.0f,1.0f); // Set Right Point Of Triangle To BlueglVertex3f( 1.0f,-1.0f, 0.0f); // Third Point Of The Triangle

glEnd(); // Done Drawing The TriangleglLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(1.5f,0.0f,-6.0f); // Move Right 1.5 Units And Into The Screen 6.0glRotatef(rquad,1.0f,0.0f,0.0f); // Rotate The Quad On The X axis ( NEW )glColor3f(0.5f,0.5f,1.0f); // Set The Color To Blue One Time OnlyglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top LeftglVertex3f( 1.0f, 1.0f, 0.0f); // Top RightglVertex3f( 1.0f,-1.0f, 0.0f); // Bottom RightglVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quadrtri+=0.2f; // Increase The Rotation Variable For The Triangle ( NEW )rquad-=0.15f; // Decrease The Rotation Variable For The Quad ( NEW )return TRUE; // Keep Going

}

TransformationsGLfloat rtri; // Angle For The Triangle ( NEW )GLfloat rquad; // Angle For The Quad ( NEW )int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth BufferglLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glRotatef(rtri,0.0f,1.0f,0.0f); // Rotate The Triangle On The Y axis ( NEW )glBegin(GL_TRIANGLES); // Start Drawing A Triangle

glColor3f(1.0f,0.0f,0.0f); // Set Top Point Of Triangle To RedglVertex3f( 0.0f, 1.0f, 0.0f); // First Point Of The TriangleglColor3f(0.0f,1.0f,0.0f); // Set Left Point Of Triangle To GreenglVertex3f(-1.0f,-1.0f, 0.0f); // Second Point Of The TriangleglColor3f(0.0f,0.0f,1.0f); // Set Right Point Of Triangle To BlueglVertex3f( 1.0f,-1.0f, 0.0f); // Third Point Of The Triangle

glEnd(); // Done Drawing The TriangleglLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(1.5f,0.0f,-6.0f); // Move Right 1.5 Units And Into The Screen 6.0glRotatef(rquad,1.0f,0.0f,0.0f); // Rotate The Quad On The X axis ( NEW )glColor3f(0.5f,0.5f,1.0f); // Set The Color To Blue One Time OnlyglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top LeftglVertex3f( 1.0f, 1.0f, 0.0f); // Top RightglVertex3f( 1.0f,-1.0f, 0.0f); // Bottom RightglVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quadrtri+=0.2f; // Increase The Rotation Variable For The Triangle ( NEW )rquad-=0.15f; // Decrease The Rotation Variable For The Quad ( NEW )return TRUE; // Keep Going

}

TransformationsGLfloat rtri; // Angle For The Triangle ( NEW )GLfloat rquad; // Angle For The Quad ( NEW )int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth BufferglLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glRotatef(rtri,0.0f,1.0f,0.0f); // Rotate The Triangle On The Y axis ( NEW )glBegin(GL_TRIANGLES); // Start Drawing A Triangle

glColor3f(1.0f,0.0f,0.0f); // Set Top Point Of Triangle To RedglVertex3f( 0.0f, 1.0f, 0.0f); // First Point Of The TriangleglColor3f(0.0f,1.0f,0.0f); // Set Left Point Of Triangle To GreenglVertex3f(-1.0f,-1.0f, 0.0f); // Second Point Of The TriangleglColor3f(0.0f,0.0f,1.0f); // Set Right Point Of Triangle To BlueglVertex3f( 1.0f,-1.0f, 0.0f); // Third Point Of The Triangle

glEnd(); // Done Drawing The TriangleglLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(1.5f,0.0f,-6.0f); // Move Right 1.5 Units And Into The Screen 6.0glRotatef(rquad,1.0f,0.0f,0.0f); // Rotate The Quad On The X axis ( NEW )glColor3f(0.5f,0.5f,1.0f); // Set The Color To Blue One Time OnlyglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top LeftglVertex3f( 1.0f, 1.0f, 0.0f); // Top RightglVertex3f( 1.0f,-1.0f, 0.0f); // Bottom RightglVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quadrtri+=0.2f; // Increase The Rotation Variable For The Triangle ( NEW )rquad-=0.15f; // Decrease The Rotation Variable For The Quad ( NEW )return TRUE; // Keep Going

}

TransformationsGLfloat rtri; // Angle For The Triangle ( NEW )GLfloat rquad; // Angle For The Quad ( NEW )int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth BufferglLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glRotatef(rtri,0.0f,1.0f,0.0f); // Rotate The Triangle On The Y axis ( NEW )glBegin(GL_TRIANGLES); // Start Drawing A Triangle

glColor3f(1.0f,0.0f,0.0f); // Set Top Point Of Triangle To RedglVertex3f( 0.0f, 1.0f, 0.0f); // First Point Of The TriangleglColor3f(0.0f,1.0f,0.0f); // Set Left Point Of Triangle To GreenglVertex3f(-1.0f,-1.0f, 0.0f); // Second Point Of The TriangleglColor3f(0.0f,0.0f,1.0f); // Set Right Point Of Triangle To BlueglVertex3f( 1.0f,-1.0f, 0.0f); // Third Point Of The Triangle

glEnd(); // Done Drawing The Triangle

glLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(1.5f,0.0f,-6.0f); // Move Right 1.5 Units And Into The Screen 6.0glRotatef(rquad,1.0f,0.0f,0.0f); // Rotate The Quad On The X axis ( NEW )glColor3f(0.5f,0.5f,1.0f); // Set The Color To Blue One Time OnlyglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top LeftglVertex3f( 1.0f, 1.0f, 0.0f); // Top RightglVertex3f( 1.0f,-1.0f, 0.0f); // Bottom RightglVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quadrtri+=0.2f; // Increase The Rotation Variable For The Triangle ( NEW )rquad-=0.15f; // Decrease The Rotation Variable For The Quad ( NEW )return TRUE; // Keep Going

}

TransformationsGLfloat rtri; // Angle For The Triangle ( NEW )GLfloat rquad; // Angle For The Quad ( NEW )int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing{

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth BufferglLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0glRotatef(rtri,0.0f,1.0f,0.0f); // Rotate The Triangle On The Y axis ( NEW )glBegin(GL_TRIANGLES); // Start Drawing A Triangle

glColor3f(1.0f,0.0f,0.0f); // Set Top Point Of Triangle To RedglVertex3f( 0.0f, 1.0f, 0.0f); // First Point Of The TriangleglColor3f(0.0f,1.0f,0.0f); // Set Left Point Of Triangle To GreenglVertex3f(-1.0f,-1.0f, 0.0f); // Second Point Of The TriangleglColor3f(0.0f,0.0f,1.0f); // Set Right Point Of Triangle To BlueglVertex3f( 1.0f,-1.0f, 0.0f); // Third Point Of The Triangle

glEnd(); // Done Drawing The Triangle

glLoadIdentity(); // Reset The Current Modelview MatrixglTranslatef(1.5f,0.0f,-6.0f); // Move Right 1.5 Units And Into The Screen 6.0glRotatef(rquad,1.0f,0.0f,0.0f); // Rotate The Quad On The X axis ( NEW )glColor3f(0.5f,0.5f,1.0f); // Set The Color To Blue One Time OnlyglBegin(GL_QUADS); // Draw A Quad

glVertex3f(-1.0f, 1.0f, 0.0f); // Top LeftglVertex3f( 1.0f, 1.0f, 0.0f); // Top RightglVertex3f( 1.0f,-1.0f, 0.0f); // Bottom RightglVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left

glEnd(); // Done Drawing The Quadrtri+=0.2f; // Increase The Rotation Variable For The Triangle ( NEW )rquad-=0.15f; // Decrease The Rotation Variable For The Quad ( NEW )return TRUE; // Keep Going

}

Your First Polygon!

Your First Polygon!

Transformations – 3D Objects!

Transformations – Step forward!

Transformations – Step forward!

• Pushing Matrices

• Popping Matrices

Transformations – Local VS World

Transformations – Local VS World

Binding Textures

Binding Textures

Binding Textures

Binding Textures

Binding Textures

Binding Textures

Binding Textures

Binding TexturesglBegin(GL_QUADS);

// Front FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Left Of The Texture and Quad// Back FaceglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and Quad// Top FaceglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and Quad// Bottom FaceglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and Quad// Right faceglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and Quad// Left FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and Quad

glEnd();

Binding TexturesglBegin(GL_QUADS);

// Front FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Left Of The Texture and Quad// Back FaceglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and Quad// Top FaceglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and Quad// Bottom FaceglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and Quad// Right faceglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and Quad// Left FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and Quad

glEnd();

Binding TexturesglBegin(GL_QUADS);

// Front FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Left Of The Texture and Quad// Back FaceglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and Quad// Top FaceglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and Quad// Bottom FaceglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and Quad// Right faceglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and Quad// Left FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and Quad

glEnd();

// Front FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Left Of The Texture and Quad

Binding TexturesglBegin(GL_QUADS);

// Front FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Left Of The Texture and Quad// Back FaceglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and Quad// Top FaceglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and Quad// Bottom FaceglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and Quad// Right faceglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Left Of The Texture and QuadglTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and Quad// Left FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f); // Top Left Of The Texture and Quad

glEnd();

// Front FaceglTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f); // Bottom Left Of The Texture and QuadglTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f); // Bottom Right Of The Texture and QuadglTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f); // Top Right Of The Texture and QuadglTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f); // Top Left Of The Texture and Quad

Texturing

That’s it for today!Hope you enjoy it! :D