35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
#include "CelestialBodyDefinition.h"
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#include "FloatNode.h"
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#include "NoiseNode.h"
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#include "Scenery.h"
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#include "Vector3.h"
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#include <cmath>
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CelestialBodyDefinition::CelestialBodyDefinition(DefinitionNode *parent, const string &name)
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: DefinitionNode(parent, name) {
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distance = new FloatNode(this, "distance");
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phi = new FloatNode(this, "phi");
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theta = new FloatNode(this, "theta");
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radius = new FloatNode(this, "radius");
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noise = new NoiseNode(this, "noise");
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}
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Vector3 CelestialBodyDefinition::getGlobalDirection() const {
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VectorSpherical spc = {1.0, theta->getValue(), -phi->getValue()};
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return Vector3(spc);
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}
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Vector3 CelestialBodyDefinition::getLocation(bool over_water) const {
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VectorSpherical spc = {distance->getValue(), theta->getValue(), -phi->getValue()};
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if (over_water) {
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return Vector3(spc).sub(VECTOR_DOWN.scale(Scenery::EARTH_RADIUS_SCALED));
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} else {
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return Vector3(spc);
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}
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}
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double CelestialBodyDefinition::getAngularRadius() const {
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return 2.0 * atan(radius->getValue() / distance->getValue());
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}
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