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Diffstat (limited to 'src/graphics/core/light.h')
-rw-r--r-- | src/graphics/core/light.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/graphics/core/light.h b/src/graphics/core/light.h new file mode 100644 index 0000000..b787cb2 --- /dev/null +++ b/src/graphics/core/light.h @@ -0,0 +1,91 @@ +// * This file is part of the COLOBOT source code +// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch +// * Copyright (C) 2012, Polish Portal of Colobot (PPC) +// * +// * This program is free software: you can redistribute it and/or modify +// * it under the terms of the GNU General Public License as published by +// * the Free Software Foundation, either version 3 of the License, or +// * (at your option) any later version. +// * +// * This program is distributed in the hope that it will be useful, +// * but WITHOUT ANY WARRANTY; without even the implied warranty of +// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// * GNU General Public License for more details. +// * +// * You should have received a copy of the GNU General Public License +// * along with this program. If not, see http://www.gnu.org/licenses/. + +// light.h + +#pragma once + + +#include "graphics/core/color.h" +#include "math/vector.h" + + +namespace Gfx { + +/** + \enum LightType + \brief Type of light in 3D scene */ +enum LightType +{ + LIGHT_POINT, + LIGHT_SPOT, + LIGHT_DIRECTIONAL +}; + +/** + \struct Light + \brief Properties of light in 3D scene + + This structure was created as analog to DirectX's D3DLIGHT. */ +struct Light +{ + //! Type of light source + Gfx::LightType type; + //! Color of ambient light + Gfx::Color ambient; + //! Color of diffuse light + Gfx::Color diffuse; + //! Color of specular light + Gfx::Color specular; + //! Position in world space (for point & spot lights) + Math::Vector position; + //! Direction in world space (for directional & spot lights) + Math::Vector direction; + //! Constant attenuation factor + float attenuation0; + //! Linear attenuation factor + float attenuation1; + //! Quadratic attenuation factor + float attenuation2; + //! Angle of spotlight cone (0-90 degrees) + float spotAngle; + //! Intensity of spotlight (0 = uniform; 128 = most intense) + float spotIntensity; + + //! Constructor; calls LoadDefault() + Light() + { + LoadDefault(); + } + + //! Loads default values + void LoadDefault() + { + type = LIGHT_POINT; + ambient = Gfx::Color(0.4f, 0.4f, 0.4f); + diffuse = Gfx::Color(0.8f, 0.8f, 0.8f); + specular = Gfx::Color(1.0f, 1.0f, 1.0f); + position = Math::Vector(0.0f, 0.0f, 0.0f); + direction = Math::Vector(0.0f, 0.0f, 1.0f); + attenuation0 = 1.0f; + attenuation1 = attenuation2 = 0.0f; + spotAngle = 90.0f; + spotIntensity = 0.0f; + } +}; + +}; // namespace Gfx |