require_relative './example_helper' SCREEN_WIDTH = 800 SCREEN_HEIGHT = 600 ASPECT = SCREEN_WIDTH.to_f / SCREEN_HEIGHT.to_f scene = Mittsu::Scene.new camera = Mittsu::PerspectiveCamera.new(75.0, ASPECT, 0.1, 1000.0) renderer = Mittsu::OpenGLRenderer.new width: SCREEN_WIDTH, height: SCREEN_HEIGHT, title: '07 Earth Normal Example' light = Mittsu::SpotLight.new(0xffffff, 2.0) light.position.x = 1000 light.look_at(scene.position) scene.add(light) geometry = Mittsu::SphereGeometry.new(2.0, 64, 64) texture = Mittsu::ImageUtils.load_texture(File.join File.dirname(__FILE__), './earth.png') normal = Mittsu::ImageUtils.load_texture(File.join File.dirname(__FILE__), './earth_normal.png') material = Mittsu::MeshPhongMaterial.new({ map: texture, normal_map: normal }) earth = Mittsu::Mesh.new(geometry, material) scene.add(earth) camera.position.z = 5.0 renderer.window.on_resize do |width, height| renderer.set_viewport(0, 0, width, height) camera.aspect = width.to_f / height.to_f camera.update_projection_matrix end renderer.window.run do earth.rotation.y += 0.01 renderer.render(scene, camera) end