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28 lines
755 B
28 lines
755 B
package com.jme3.math;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import com.jme3.math.FastMath;
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import com.jme3.math.Vector2f;
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import org.junit.Test;
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public class TrigonometryTest {
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@Test
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public void testVector2(){
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Vector2f original = new Vector2f(1, 2);
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Vector2f recreated = new Vector2f();
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float angle = original.getAngle();
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float length = original.length();
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recreated.set( FastMath.cos(angle), FastMath.sin(angle) );
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recreated.multLocal(length);
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assertEquals( original.getX(), recreated.getX(), 0.000001 );
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assertEquals( original.getY(), recreated.getY(), 0.000001 );
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}
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}
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