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source/graphics/LightEnv.h
| /* Copyright (C) 2018 Wildfire Games. | /* Copyright (C) 2019 Wildfire Games. | ||||
| * This file is part of 0 A.D. | * This file is part of 0 A.D. | ||||
| * | * | ||||
| * 0 A.D. is free software: you can redistribute it and/or modify | * 0 A.D. is free software: you can redistribute it and/or modify | ||||
| * it under the terms of the GNU General Public License as published by | * it under the terms of the GNU General Public License as published by | ||||
| * the Free Software Foundation, either version 2 of the License, or | * the Free Software Foundation, either version 2 of the License, or | ||||
| * (at your option) any later version. | * (at your option) any later version. | ||||
| * | * | ||||
| * 0 A.D. is distributed in the hope that it will be useful, | * 0 A.D. is distributed in the hope that it will be useful, | ||||
| ▲ Show 20 Lines • Show All 113 Lines • ▼ Show 20 Lines | public: | ||||
| /** | /** | ||||
| * Compute the diffuse sun lighting factor on terrain, for rendering with shader lighting. | * Compute the diffuse sun lighting factor on terrain, for rendering with shader lighting. | ||||
| * | * | ||||
| * @param normal normal vector (must have length 1) | * @param normal normal vector (must have length 1) | ||||
| */ | */ | ||||
| SColor4ub EvaluateTerrainDiffuseFactor(const CVector3D& normal) const | SColor4ub EvaluateTerrainDiffuseFactor(const CVector3D& normal) const | ||||
| { | { | ||||
| float dot = -normal.Dot(m_SunDir); | float dot = -normal.Dot(m_SunDir); | ||||
| u8 c = static_cast<u8>(clamp(dot * 255.f, 0.f, 255.f)); | u8 c = static_cast<u8>(Clamp(dot * 255.f, 0.f, 255.f)); | ||||
| return SColor4ub(c, c, c, 255); | return SColor4ub(c, c, c, 255); | ||||
| } | } | ||||
| // Comparison operators | // Comparison operators | ||||
| bool operator==(const CLightEnv& o) const | bool operator==(const CLightEnv& o) const | ||||
| { | { | ||||
| return m_Elevation == o.m_Elevation && | return m_Elevation == o.m_Elevation && | ||||
| m_Rotation == o.m_Rotation && | m_Rotation == o.m_Rotation && | ||||
| Show All 23 Lines | |||||
Wildfire Games · Phabricator