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calc correct light

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This commit is contained in:
Shuo Feng 2024-03-04 02:43:10 -05:00
parent b5878e06c9
commit 6d81bd4530
Signed by: sfeng
GPG key ID: 1E83AE6CD1C037B1
1 changed files with 3 additions and 2 deletions
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5
src/Light.cc
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@ -1,6 +1,7 @@
#include "Light.h"
#include <algorithm>
#include <cmath>
#include <iostream>
void Light::setTransform(const Matrix4f &transform) {
this->transform = transform;
@ -52,11 +53,11 @@ Vector3f AreaLight::illumination(const HitRecord &hit,
Vector3f color = Vector3f::Zero();
if (useCenter) {
color += PointLight(*this, (u + v) / 2).illumination(hit, geometries);
color += PointLight(*this, p1 + (u + v) / 2).illumination(hit, geometries);
} else {
for (int y = 0; y < gridSize; ++y)
for (int x = 0; x < gridSize; ++x)
color += PointLight(*this, (u * x + v * y) / gridSize)
color += PointLight(*this, p1 + (u * x + v * y) / gridSize)
.illumination(hit, geometries);
}