63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
#pragma once
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#include <glad/glad.h>
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#include <string>
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#include <climits>
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#include <glm/glm.hpp>
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struct Material {
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glm::vec3 ambient{0.1f,0.1f,0.1f};
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float shininess{32.0f};
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unsigned int diffuseMap = 0;
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unsigned int specularMap = 0;
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};
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struct Light {
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glm::vec3 position;
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glm::vec3 direction;
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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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float constant;
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float linear;
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float quadratic;
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float cutOff;
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float outerCutOff;
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};
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class Shader
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{
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public:
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unsigned int ID = UINT_MAX;
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Shader(const char* vertexPath, const char* fragmentPath);
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unsigned int load_shader(const std::string& filename, GLenum shader_type);
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void use() const;
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void setBool(const std::string &name, bool value) const;
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void setInt(const std::string &name, int value) const;
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void setFloat(const std::string &name, float value) const;
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void setVec4(const std::string &name, float v1, float v2, float v3, float v4) const;
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void setVec4(const std::string &name, const glm::vec4& value) const;
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void setVec3(const std::string &name, float v1, float v2, float v3) const;
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void setVec3(const std::string &name, const glm::vec3& value) const;
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void setMat4(const std::string &name, const glm::mat4& what) const;
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void cleanup();
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void applyMaterial(const Material& material) {
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setVec3("material.ambient", material.ambient);
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setFloat("material.shininess", material.shininess);
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}
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void applyLight(const Light& light) {
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setVec3("light.position", light.position);
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setVec3("light.direction", light.direction);
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setVec3("light.ambient", light.ambient);
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setVec3("light.diffuse", light.diffuse);
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setVec3("light.specular", light.specular);
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setFloat("light.constant", light.constant);
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setFloat("light.linear", light.linear);
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setFloat("light.quadratic", light.quadratic);
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setFloat("light.cutOff", glm::cos(glm::radians(light.cutOff)));
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setFloat("light.outerCutOff", glm::cos(glm::radians(light.outerCutOff)));
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}
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};
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