Class: Rendering::SkyboxRenderer

Inherits:
Object
  • Object
show all
Defined in:
lib/engine/rendering/skybox_renderer.rb

Class Method Summary collapse

Class Method Details

.cubemap ⇒ Object 



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# File 'lib/engine/rendering/skybox_renderer.rb', line 47

def cubemap
  @skybox_cubemap
end

.draw(input_rt, alternate_rt, screen_quad) ⇒ Object 



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# File 'lib/engine/rendering/skybox_renderer.rb', line 28

def draw(input_rt, alternate_rt, screen_quad)
  output_rt = alternate_rt

  output_rt.bind
  Engine::GL.Clear(Engine::GL::COLOR_BUFFER_BIT)
  Engine::GL.Disable(Engine::GL::DEPTH_TEST)

  camera = Engine::Camera.instance
  return input_rt unless camera

  material.set_mat4("inverseVP", camera.inverse_vp_matrix)
  material.set_vec3("cameraPos", camera.position)
  material.set_cubemap("skyboxCubemap", @skybox_cubemap&.texture)
  material.set_runtime_texture("depthTexture", input_rt.depth_texture)

  screen_quad.draw(material, input_rt.color_texture)
  output_rt
end

.render_cubemap ⇒ Object 



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# File 'lib/engine/rendering/skybox_renderer.rb', line 16

def render_cubemap
  @skybox_cubemap ||= SkyboxCubemap.new
  @skybox_cubemap.render_if_needed(
    @ground_color,
    @horizon_color,
    @sky_color,
    @ground_y,
    @horizon_y,
    @sky_y
  )
end

.set_colors(ground:, horizon:, sky:, ground_y: -0.3,, horizon_y: 0.0, sky_y: 1.0) ⇒ Object 



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# File 'lib/engine/rendering/skybox_renderer.rb', line 6

def set_colors(ground:, horizon:, sky:, ground_y: -0.3, horizon_y: 0.0, sky_y: 1.0)
  @ground_color = ground
  @horizon_color = horizon
  @sky_color = sky
  @ground_y = ground_y
  @horizon_y = horizon_y
  @sky_y = sky_y
  @skybox_cubemap&.invalidate
end