65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/*
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* DoRayMe - a quick and dirty Raytracer
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* Light header
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*
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* Created by Manoël Trapier
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* Copyright (c) 2020 986-Studio.
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*
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*/
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#ifndef DORAYME_LIGHT_H
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#define DORAYME_LIGHT_H
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#include <tuple.h>
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#include <colour.h>
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#include <renderstat.h>
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#include <stdio.h>
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class World;
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enum LightType
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{
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POINT_LIGHT = 0,
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AREA_LIGHT,
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};
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class Light
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{
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public:
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Colour intensity;
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Tuple position;
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LightType type;
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/* For area light */
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Tuple corner;
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Tuple uVec;
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Tuple vVec;
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uint32_t samples;
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uint32_t uSteps;
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uint32_t vSteps;
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public:
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Light(LightType type = POINT_LIGHT, Tuple position=Point(0, 0, 0),
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Colour intensity=Colour(1, 1, 1)) : type(type), position(position), intensity(intensity)
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{ stats.addLight(); };
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Light(LightType type, Tuple corner, Tuple fullUVec, uint32_t uSteps, Tuple fullVVec, uint32_t vSteps,
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Colour intensity, bool jitter = false): type(type), corner(corner), uVec(fullUVec / uSteps), uSteps(uSteps),
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vVec(fullVVec / vSteps), vSteps(vSteps), intensity(intensity)
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{
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this->samples = this->vSteps * this->uSteps;
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this->position = this->corner + ((fullUVec + fullVVec) / 2);
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stats.addLight();
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};
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double intensityAt(World &w, Tuple point);
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bool operator==(const Light &b) const { return this->intensity == b.intensity &&
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this->position == b.position &&
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this->type == b.type; };
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Tuple pointOnLight(uint32_t u, uint32_t v);
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void dumpMe(FILE *fp);
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};
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#endif /* DORAYME_LIGHT_H */
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