23 lines
789 B
C++
23 lines
789 B
C++
#include "WaterIntersector.h"
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#include "InfinitePlane.h"
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#include "InfiniteRay.h"
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#include "WaterRenderer.h"
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WaterIntersector::WaterIntersector(WaterRenderer *renderer): renderer(renderer) {
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}
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int WaterIntersector::getPriority() const {
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return 10;
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}
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bool WaterIntersector::findIntersection(const Vector3 &eye, const Vector3 &direction, double, Vector3 *out_hit) const {
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InfinitePlane water(Vector3(0.0, renderer->getHeightInfo().base_height, 0.0), VECTOR_UP);
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int intersect = water.checkRayIntersection(InfiniteRay(eye, direction), out_hit);
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return intersect == 1 && direction.dotProduct(out_hit->sub(eye)) > 0.0;
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}
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Color WaterIntersector::getColorAtHit(const Vector3 &, const Vector3 &location) const {
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return renderer->getResult(location.x, location.z).final;
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}
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