29 lines
1 KiB
C++
29 lines
1 KiB
C++
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#include "light/light.h"
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#include "scene/scene.h"
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#include "shader/materialshader.h"
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#include <cmath>
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Vector3d tangentToWorldSpace(const Vector3d &surfaceNormal, const Vector3d &surfaceTangent, const Vector3d &surfaceBitangent, const Vector3d &textureNormal) {
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return textureNormal.x * surfaceTangent + textureNormal.y * surfaceBitangent + textureNormal.z * surfaceNormal;
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}
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MaterialShader::MaterialShader() : opacity(1.0f), normalCoefficient(1.0f), diffuseCoefficient(0.5f), reflectance(0.0f), specularCoefficient(0.5f), shininessExponent(8) {}
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Color MaterialShader::shade(Scene const &scene, Ray const &ray) const {
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Color fragmentColor;
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// IMPLEMENT ME
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// (Normal Map) Calculate the new normal vector
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// (Diffuse-/Specular Map) Accumulate the light over all light sources
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// (Reflection Map) Calculate the reflectance, create a reflection ray
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// (Alpha Map) Calculate the opacity, create a background ray
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return fragmentColor;
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}
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bool MaterialShader::isTransparent() const { return this->opacity < 1.0f || this->alphaMap; }
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