28 lines
836 B
C++
28 lines
836 B
C++
#include "StarRotateSelector.hpp"
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#include "StarRandom.hpp"
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#include "StarJsonExtra.hpp"
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namespace Star {
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char const* const RotateSelector::Name = "rotate";
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RotateSelector::RotateSelector(
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Json const& config, TerrainSelectorParameters const& parameters, TerrainDatabase const* database)
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: TerrainSelector(Name, config, parameters) {
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RandomSource random(parameters.seed);
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rotation = config.getFloat("rotation");
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rotationCenter = Vec2F(parameters.worldWidth / 2, 0);
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auto sourceConfig = config.get("source");
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String sourceType = sourceConfig.getString("type");
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m_source = database->createSelectorType(sourceType, sourceConfig, parameters);
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}
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float RotateSelector::get(int x, int y) const {
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auto pos = (Vec2F(x, y) - rotationCenter).rotate(rotation) + rotationCenter;
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return m_source->get(pos[0], pos[1]);
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}
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}
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