71 lines
2.4 KiB
Java
71 lines
2.4 KiB
Java
import static org.junit.jupiter.api.Assertions.*;
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import org.junit.jupiter.api.Test;
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class CursorPointTest {
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@Test
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void testDistanceFromOrigin() {
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CursorPoint a = new CursorPoint(0, 0, 0);
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CursorPoint b = new CursorPoint(3, 4, 0);
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CursorPoint c = new CursorPoint(500, 750, 0);
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CursorPoint d = new CursorPoint(284, 848, 0);
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assertEquals(0, a.getDistanceFromOrigin());
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//assertEquals(901.387818866, d.getDistanceFromOrigin(), 0.0001);
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assertEquals(894.293016857, d.getDistanceFromOrigin(), 0.0001);
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//assertEquals(896.395560007, c.getDistanceFromOrigin(), 0.0001);
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assertEquals(5, b.getDistanceFromOrigin(), 0.0001);
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}
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@Test
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void testThetaFromOrigin() {
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CursorPoint a = new CursorPoint(0, 0, 0);
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CursorPoint b = new CursorPoint(3, 4, 0);
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CursorPoint c = new CursorPoint(500, 750, 0);
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CursorPoint d = new CursorPoint(284, 848, 0);
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CursorPoint e = new CursorPoint(10, 0, 0);
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CursorPoint f = new CursorPoint(0, 10, 0);
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assertEquals(0, a.getThetaFromOrigin());
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assertEquals(0.6435011087932844, b.getThetaFromOrigin());
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assertEquals(0.5880026035475675, c.getThetaFromOrigin());
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assertEquals(0.32316498061040844, d.getThetaFromOrigin());
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assertEquals(1.5707963267948966, e.getThetaFromOrigin());
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assertEquals(0.0, f.getThetaFromOrigin());
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}
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@Test
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void testCursorPointRotation() {
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CursorPoint a = new CursorPoint(0, 0, 0);
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CursorPoint b = new CursorPoint(10, 0, 0);
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CursorPoint c = new CursorPoint(10, 20, 0);
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CursorPoint d = a.getCursorPointRotatedBy(Math.PI / 4);
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CursorPoint e = b.getCursorPointRotatedBy(Math.PI / 3);
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CursorPoint f = c.getCursorPointRotatedBy(-Math.PI / 6);
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CursorPoint g = b.getCursorPointRotatedBy(-Math.PI / 6);
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assertTrue(d.x == 0 && d.y == 0);
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assertTrue(e.x == 5 && e.y == 8);
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assertTrue(f.x == 18 && f.y == 12);
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assertTrue(g.x == 8 && g.y == -4);
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}
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@Test
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void testCursorPointScaling() {
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CursorPoint a = new CursorPoint(0, 0, 0);
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CursorPoint b = new CursorPoint(100, 0, 0);
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CursorPoint c = new CursorPoint(100, 200, 0);
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CursorPoint d = new CursorPoint(-400, -300, 0);
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CursorPoint e = a.getCursorPointScaledBy(1.1);
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CursorPoint f = b.getCursorPointScaledBy(0.95);
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CursorPoint g = c.getCursorPointScaledBy(1.23);
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CursorPoint h = d.getCursorPointScaledBy(1.07);
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assertTrue(e.x == 0 && e.y == 0);
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assertTrue(f.x == 95 && f.y == 0);
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assertTrue(g.x == 123 && g.y == 246);
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assertTrue(h.x == -428 && h.y == -321);
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}
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}
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