// Render the mesh
void Mesh::DrawInstanced(GLuint shader, int amount)
{
setupTextures(shader);
// Draw mesh
glBindVertexArray(this->VAO);
glDrawElementsInstanced(GL_TRIANGLES, this->indices.size(), GL_UNSIGNED_INT, 0, amount);
glBindVertexArray(0);
deactivateTextures();
}
void Tp2Application::draw()
{
glFogi (GL_FOG_MODE, GL_LINEAR);
glFogf (GL_FOG_START, mCameraRho);
glFogf (GL_FOG_END, mCameraRho + FOG_DELTA);
glFogfv(GL_FOG_COLOR, mFogColor.components);
glFogf (GL_FOG_DENSITY, 1.0);
if ( mIsShaderOn )
mShaderProgram->use();
else
glUseProgram(EMPTY_SHADER_PROGRAM);
// Draw Cube
glPushMatrix();
{
// Apply Material
// TODO Define Material + Properties
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mMaterialAmbient.components);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mMaterialDiffuse.components);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mMaterialSpecular.components);
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, mMaterialEmission.components);
glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mMaterialShininess);
if (mAutomaticRotation)
{
mRotationAngleX += 360.0f * (mRotationFreqX / mFramerate);
mRotationAngleY += 360.0f * (mRotationFreqY / mFramerate);
mRotationAngleZ += 360.0f * (mRotationFreqZ / mFramerate);
if (mRotationAngleX >= 360.0f) mRotationAngleX -= 360.0f;
if (mRotationAngleY >= 360.0f) mRotationAngleY -= 360.0f;
if (mRotationAngleZ >= 360.0f) mRotationAngleZ -= 360.0f;
}
glRotatef(180.0, 1.0, 0.0, 0.0);
glRotatef(mRotationAngleX, 1.0, 0.0, 0.0);
glRotatef(mRotationAngleY, 0.0, 1.0, 0.0);
glRotatef(mRotationAngleZ, 0.0, 0.0, 1.0);
glColor4f(0.0, 0.0, 1.0, 1.0);
glCallList(mQuadGridListId);
deactivateTextures();
}
glPopMatrix();
glUseProgram(EMPTY_SHADER_PROGRAM);
// Draw Axis without shaders
glPushMatrix();
{
glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glDisable(GL_FOG);
glLineWidth(3.0);
glBegin(GL_LINES);
{
// X axis in red
glColor4f(1.0, 0.0, 0.0, 1.0);
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(1.0f * mAxisScaleFactor, 0.0, 0.0);
// Y axis in green
glColor4f(0.0, 1.0, 0.0, 1.0);
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(0.0, 1.0f * mAxisScaleFactor, 0.0);
// Z axis in blue
glColor4f(0.0, 0.0, 1.0, 1.0);
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(0.0, 0.0, 1.0f * mAxisScaleFactor);
}
glEnd();
glEnable(GL_FOG);
glEnable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
}
glPopMatrix();
if ( mIsShaderOn )
mShaderProgram->use();
else
glUseProgram(EMPTY_SHADER_PROGRAM);
glFlush();
}
