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86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
#pragma once
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#include"shader.h"
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#include<GLM/glm.hpp>
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#include<string>
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#include"logger.h"
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#include<queue>
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using std::queue;
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using std::string;
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// 发光物不需要纹理，所以说需要另外的shader
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// 在sceneviewer中被包含
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class Illuminant {
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public:
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enum LightType { dir, spot, point };
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int pointID = -1;
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private:
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LightType _lightType = dir;
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glm::vec3 _direction = glm::vec3(0,0,-1);
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glm::vec3 _position = glm::vec3(0.0f);
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glm::vec3 _ambient = glm::vec3(0.05f, 0.05f, 0.05f);
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glm::vec3 _diffuse = glm::vec3(0.8f, 0.8f, 0.8f);
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glm::vec3 _specular = glm::vec3(0.8f, 0.8f, 0.8f);
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float _constant = 1.0f;
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float _linear = 0.09f;
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float _quadratic = 0.032f;
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public:
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// 修改此处必须同步修改fragment shader的数组定义语句，目前此值最大为4
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const static int MAXPOINTLIGHT = 4;
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Illuminant();
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// white color by default，
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Illuminant(glm::vec3 position, LightType lightType);
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// set up with one color，建议点光源使用这个
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Illuminant(glm::vec3 position,glm::vec3 color, LightType lightType);
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// set up with one color，建议平行光源使用这个
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Illuminant(LightType lightType,glm::vec3 direction, glm::vec3 color);
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// set up with one color，建议聚光灯光源使用这个
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Illuminant(glm::vec3 position, glm::vec3 direction,glm::vec3 color, LightType lightType);
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//set up by assign all colors
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Illuminant(glm::vec3 position, glm::vec3 ambient, glm::vec3 diffuse, glm::vec3 specular, LightType lightType);
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// 析构函数中，如果是点光源，应该增加可用点光源数目。不过暂时没有实现，在上层进行控制
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// 无论如何，将此函数置为黑色
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~Illuminant();
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void setAttenuation(float constant, float linear, float quadratic);
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glm::vec3 direction();
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glm::vec3 position();
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glm::vec3 ambient();
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glm::vec3 diffuse();
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glm::vec3 specular();
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LightType type();
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void move(glm::vec3 deltaPos);
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void setPosition(glm::vec3 Pos);
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// 平行光与手电筒必须设置此项
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void setDirection(glm::vec3 direction);
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void setColor(glm::vec3 ambient, glm::vec3 diffuse, glm::vec3 specular);
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// 使用默认的分配系数
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void setColor(glm::vec3 color);
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// 将本光源的信息传递给着色器
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void updateLight(ShaderProgram& shader);
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private:
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// 只能在最初设定光源类型，没有必要在期间修改
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void setType(LightType type);
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// 懒惰删除
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void switchOff();
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};
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// 初始设置所有变量
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void setAllLigntUniform(ShaderProgram& lightingShader);
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void init_queue(); |