GLUSboolean update(GLUSfloat time)
{
static GLfloat angle = 0.0f;
GLfloat modelMatrix[16];
GLfloat normalMatrix[9];
// Calculate the model matrix ...
glusMatrix4x4Identityf(modelMatrix);
glusMatrix4x4RotateRzRyRxf(modelMatrix, 0.0f, angle, -90.0f);
glUniformMatrix4fv(g_modelMatrixLocation, 1, GL_FALSE, modelMatrix);
// Calculate the normal matrix ...
glusMatrix4x4ExtractMatrix3x3f(normalMatrix, modelMatrix);
glUniformMatrix3fv(g_normalMatrixLocation, 1, GL_FALSE, normalMatrix);
//
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDrawElements(GL_PATCHES, g_numberIndicesPlane, GL_UNSIGNED_INT, 0);
//
angle += time * 45.0f;
return GLUS_TRUE;
}
void Matrix4x4::rotateRzRyRx(float anglez, float angley, float anglex)
{
glusMatrix4x4RotateRzRyRxf(m, anglez, angley, anglex);
}