Method draw

test/AABBtest/src/AABBtestApp.cpp:53–114

}

void AABBtestApp::draw()
{
	gl::clear();

	// Animate box.
	float t = (float) getElapsedSeconds() * 0.2f;
	mat4 transform = glm::translate( vec3( 5.0f * glm::sin( t ), 0, 0 ) );
	transform *= glm::rotate( t, glm::normalize( vec3( 1, 2, 3 ) ) );
	transform *= glm::scale( vec3( 0.75f ) );

	// Start drawing.
	gl::pushMatrices();
	gl::setMatrices( mCam );

	gl::drawCoordinateFrame();

	// Draw the animated box.
	gl::color( 1, 1, 1 );
	gl::setModelMatrix( transform );
	gl::translate( mBox.getCenter() );
	gl::scale( mBox.getSize() );

	mCube->draw();

	// Calculate and draw axis-aligned bounding box.
	auto aabb = mBox.transformed( transform );

	gl::color( 0, 1, 1 );
	gl::setModelMatrix( mat4() );
	gl::translate( aabb.getCenter() );
	gl::scale( aabb.getSize() );

	mCube->draw();

	// Draw intersection with a red line.
	gl::setModelMatrix( mat4() );

	vec3 src = vec3( 5 );
	vec3 dir = vec3( -1 );
	Ray ray( src, dir );
	
	gl::color( 1, 0, 0 );
	gl::drawLine( src, src + 10.0f * dir );
	
	float min, max;
	if( aabb.intersect( ray, &min, &max ) > 0 ) {
		gl::color( 0, 1, 1 );
		gl::drawSphere( ray.calcPosition( min ), 0.1f );
		gl::drawSphere( ray.calcPosition( max ), 0.1f );
		gl::drawLine( ray.calcPosition( min ), ray.calcPosition( max ) );
	}

	if( mBox.intersect( ray.transformed( glm::inverse( transform ) ), &min, &max ) > 0 ) {
		gl::color( 1, 1, 1 );
		gl::drawSphere( ray.calcPosition( min ), 0.1f );
		gl::drawSphere( ray.calcPosition( max ), 0.1f );
		gl::drawLine( ray.calcPosition( min ), ray.calcPosition( max ) );
	}