70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
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#include <GL/glfw.h>
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int main()
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{
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int width, height;
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int frame = 0;
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bool running = true;
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glfwInit();
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if( !glfwOpenWindow( 512, 512, 0, 0, 0, 0, 0, 0, GLFW_WINDOW ) )
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{
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glfwTerminate();
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return 0;
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}
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glfwSetWindowTitle("GLFW Application");
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while(running)
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{
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frame++;
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glfwGetWindowSize( &width, &height );
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height = height > 0 ? height : 1;
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glViewport( 0, 0, width, height );
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glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
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glClear( GL_COLOR_BUFFER_BIT );
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glMatrixMode( GL_PROJECTION );
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glLoadIdentity();
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gluPerspective( 65.0f, (GLfloat)width/(GLfloat)height, 1.0f, 100.0f );
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// Draw some rotating garbage
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glMatrixMode( GL_MODELVIEW );
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glLoadIdentity();
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gluLookAt(0.0f, -10.0f, 0.0f,
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0.0f, 0.0f, 0.0f,
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0.0f, 0.0f, 1.0f );
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//glTranslatef( 1.0f, 1.0f, 0.0f );
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glRotatef(frame, 0.25f, 1.0f, 0.75f);
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glBegin( GL_TRIANGLES );
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glColor3f(0.1f, 0.0f, 0.0f );
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glVertex3f(0.0f, 3.0f, -4.0f);
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glColor3f(0.0f, 1.0f, 0.0f );
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glVertex3f(3.0f, -2.0f, -4.0f);
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glColor3f(0.0f, 0.0f, 1.0f );
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glVertex3f(-3.0f, -2.0f, -4.0f);
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glEnd();
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glBegin( GL_TRIANGLES );
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glColor3f(0.0f, 0.1f, 0.0f );
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glVertex3f(0.0f, 3.0f, -3.0f);
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glColor3f(0.0f, 0.0f, 1.0f );
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glVertex3f(3.0f, -2.0f, -2.0f);
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glColor3f(1.0f, 0.0f, 0.0f );
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glVertex3f(-3.0f, -2.0f, 2.0f);
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glEnd();
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glfwSwapBuffers();
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// exit if ESC was pressed or window was closed
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running = !glfwGetKey(GLFW_KEY_ESC) && glfwGetWindowParam( GLFW_OPENED);
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}
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glfwTerminate();
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return 0;
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}
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