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add light parser

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This commit is contained in:
Shuo Feng 2024-02-18 20:52:59 -05:00
parent 73b90f7535
commit e13fd8a438
Signed by: sfeng
GPG key ID: 1E83AE6CD1C037B1
4 changed files with 46 additions and 2 deletions
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35
src/Parser.cc
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@ -1,5 +1,6 @@
#include "Parser.h"
#include "Geometry.h"
#include "Light.h"
#include <Eigen/Core>
#include <string>
@ -97,3 +98,37 @@ Rectangle *Parser::getRectangle(const nlohmann::json &j, float ka, float kd,
return new Rectangle(ka, kd, ks, ca, cd, cs, pc, corners);
}
Light *Parser::getLight(const nlohmann::json &j) {
Vector3f id = getVector3f(j["id"]);
Vector3f is = getVector3f(j["is"]);
Light *l;
if (j["type"].get<string>().compare("point"))
l = getAreaLight(j, id, is);
else
l = getPointLight(j, id, is);
if (j.contains("transform")) {
l->setTransform(getTransform(j["transform"]));
}
l->setGridSize(j.value("n", 0));
l->setUseCenter(j.value("usecenter", false));
return l;
}
AreaLight *Parser::getAreaLight(const nlohmann::json &j, const Vector3f &id,
const Vector3f &is) {
Matrix<float, 3, 4> corners = getCorners(j);
return new AreaLight(id, is, corners);
}
PointLight *Parser::getPointLight(const nlohmann::json &j, const Vector3f &id,
const Vector3f &is) {
Vector3f center = getVector3f(j["centre"]);
return new PointLight(id, is, center);
}