GLUSvoid reshape(GLUSint width, GLUSint height)
{
GLfloat projectionMatrix[16];
glViewport(0, 0, width, height);
//
glusPerspectivef(projectionMatrix, 40.0f, (GLfloat) width / (GLfloat) height, 1.0f, 100.0f);
glUseProgram(g_program.program);
glUniformMatrix4fv(g_projectionMatrixLocation, 1, GL_FALSE, projectionMatrix);
glUseProgram(g_programShadowVolume.program);
glUniformMatrix4fv(g_projectionMatrixShadowVolumeLocation, 1, GL_FALSE, projectionMatrix);
}
GLUSvoid reshape(GLUSint width, GLUSint height)
{
GLfloat modelMatrix[16];
GLfloat modelViewMatrix[16];
GLfloat normalMatrix[9];
GLfloat lightDirection[3];
g_width = width;
g_height = height;
reshapeWavefront(width, height);
//
glViewport(0, 0, width, height);
glusPerspectivef(g_viewProjectionMatrix, 40.0f, (GLfloat) width / (GLfloat) height, 1.0f, 100.0f);
glusMatrix4x4Multiplyf(g_viewProjectionMatrix, g_viewProjectionMatrix, g_viewMatrix);
glUseProgram(g_program.program);
glUniformMatrix4fv(g_viewProjectionMatrixLocation, 1, GL_FALSE, g_viewProjectionMatrix);
glusMatrix4x4Identityf(modelMatrix);
glusMatrix4x4Translatef(modelMatrix, 0.0f, 0.0f, 3.0f);
glusMatrix4x4RotateRxf(modelMatrix, -90.0f);
glUniformMatrix4fv(g_modelMatrixLocation, 1, GL_FALSE, modelMatrix);
// Calculation is in camera space
glusMatrix4x4Multiplyf(modelViewMatrix, g_viewMatrix, modelMatrix);
glusMatrix4x4ExtractMatrix3x3f(normalMatrix, modelViewMatrix);
glUniformMatrix3fv(g_normalMatrixLocation, 1, GL_FALSE, normalMatrix);
glusMatrix4x4MultiplyVector3f(lightDirection, g_viewMatrix, g_light.direction);
// Direction already normalized
glUniform3fv(g_lightDirectionLocation, 1, lightDirection);
}
/**
* Function is called, if the window is resized.
*
* @param w width of the window
* @param h height of the window
*/
GLUSvoid reshape(GLUSuint width, GLUSuint height)
{
// http://www.opengl.org/documentation/specs/man_pages/hardcopy/GL/html/gl/viewport.html
glViewport(0, 0, width, height);
// Calculate the projection matrix and set it
glusPerspectivef(g_projection, 40.0f, (GLfloat) width / (GLfloat) height, 1.0f, 1000.0f);
// http://www.opengl.org/sdk/docs/man/xhtml/glUseProgram.xml
glUseProgram(g_programBackground.program);
// http://www.opengl.org/sdk/docs/man/xhtml/glUniform.xml
glUniformMatrix4fv(g_projectionLocationBackground, 1, GL_FALSE, g_projection);
// http://www.opengl.org/sdk/docs/man/xhtml/glUseProgram.xml
glUseProgram(g_program.program);
// http://www.opengl.org/sdk/docs/man/xhtml/glUniform.xml
glUniformMatrix4fv(g_projectionLocation, 1, GL_FALSE, g_projection);
// Call the resahpe of the texture
reshapeTexture(width, height);
}
GLUSvoid reshape(GLUSint width, GLUSint height)
{
glViewport(0, 0, width, height);
glusPerspectivef(g_projectionMatrix, 40.0f, (GLfloat) width / (GLfloat) height, 1.0f, 100.0f);
}