List of usage examples for java.lang Math sin
@HotSpotIntrinsicCandidate public static double sin(double a)
From source file:Main.java
public static BufferedImage create(BufferedImage image, double angle, GraphicsConfiguration gc) { double sin = Math.abs(Math.sin(angle)), cos = Math.abs(Math.cos(angle)); int w = image.getWidth(), h = image.getHeight(); int neww = (int) Math.floor(w * cos + h * sin), newh = (int) Math.floor(h * cos + w * sin); int transparency = image.getColorModel().getTransparency(); BufferedImage result = gc.createCompatibleImage(neww, newh, transparency); Graphics2D g = result.createGraphics(); g.translate((neww - w) / 2, (newh - h) / 2); g.rotate(angle, w / 2, h / 2);//w ww .j a v a 2 s .c om g.drawRenderedImage(image, null); return result; }
From source file:FillPolyPanel.java
public void paintComponent(Graphics g) { super.paintComponent(g); int radius = 40; int centerX = 50; int centerY = 100; int angle = 30; int dx = (int) (radius * Math.cos(angle * Math.PI / 180)); int dy = (int) (radius * Math.sin(angle * Math.PI / 180)); g.fillArc(centerX - radius, centerY - radius, 2 * radius, 2 * radius, angle, 360 - 2 * angle); Polygon p = new Polygon(); centerX = 150;//from www . java2 s . co m for (int i = 0; i < 5; i++) p.addPoint((int) (centerX + radius * Math.cos(i * 2 * Math.PI / 5)), (int) (centerY + radius * Math.sin(i * 2 * Math.PI / 5))); g.fillPolygon(p); p = new Polygon(); centerX = 250; for (int i = 0; i < 360; i++) { double t = i / 360.0; p.addPoint((int) (centerX + radius * t * Math.cos(8 * t * Math.PI)), (int) (centerY + radius * t * Math.sin(8 * t * Math.PI))); } g.fillPolygon(p); }
From source file:org.eclipse.swt.snippets.Snippet209.java
static void drawTorus(GL2 gl, float r, float R, int nsides, int rings) { float ringDelta = 2.0f * (float) Math.PI / rings; float sideDelta = 2.0f * (float) Math.PI / nsides; float theta = 0.0f, cosTheta = 1.0f, sinTheta = 0.0f; for (int i = rings - 1; i >= 0; i--) { float theta1 = theta + ringDelta; float cosTheta1 = (float) Math.cos(theta1); float sinTheta1 = (float) Math.sin(theta1); gl.glBegin(GL2.GL_QUAD_STRIP);/*from w w w . j a v a2s.com*/ float phi = 0.0f; for (int j = nsides; j >= 0; j--) { phi += sideDelta; float cosPhi = (float) Math.cos(phi); float sinPhi = (float) Math.sin(phi); float dist = R + r * cosPhi; gl.glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi); gl.glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi); gl.glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi); gl.glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi); } gl.glEnd(); theta = theta1; cosTheta = cosTheta1; sinTheta = sinTheta1; } }
From source file:Main.java
/** * Gets the relative bearing from one geographical coordinate to another. * * @param latitude1 the latitude of the source point * @param longitude1 the longitude of the source point * @param latitude2 the latitude of the destination point * @param longitude2 the longitude of the destination point * @return the relative bearing from point 1 to point 2, in degrees. The result is guaranteed * to fall in the range 0-360// w w w . j a v a 2 s.co m */ public static float getBearing(double latitude1, double longitude1, double latitude2, double longitude2) { latitude1 = Math.toRadians(latitude1); longitude1 = Math.toRadians(longitude1); latitude2 = Math.toRadians(latitude2); longitude2 = Math.toRadians(longitude2); double dLon = longitude2 - longitude1; double y = Math.sin(dLon) * Math.cos(latitude2); double x = Math.cos(latitude1) * Math.sin(latitude2) - Math.sin(latitude1) * Math.cos(latitude2) * Math.cos(dLon); double bearing = Math.atan2(y, x); return mod((float) Math.toDegrees(bearing), 360.0f); }
From source file:Main.java
double f(double x) { return Math.sin(x); }
From source file:com.jennifer.ui.util.MathUtil.java
public static double rotateY(double x, double y, double radian) { return x * Math.sin(radian) + y * Math.cos(radian); }
From source file:LisajousApp.Draw.java
private static XYDataset createDataset() { XYSeries s1 = new XYSeries(""); for (double t = 0; t <= 2 * Math.PI; t = t + 0.0005) { double x = Main.a * Math.sin(Main.n * t + Main.c); double y = Main.b * Math.sin(t); s1.add(x, y);//from ww w. j av a 2 s .co m } XYSeriesCollection dataset = new XYSeriesCollection(); dataset.addSeries(s1); return dataset; }
From source file:Main.java
/** * <p>This routine calculates the distance between two points (given the * latitude/longitude of those points). It is being used to calculate * the distance between two locations.</p> * <p/>/*from w ww. j a v a 2s . c o m*/ * <p>Definitions: South latitudes are negative, east longitudes are positive</p> * <p/> * <p>Passed to function: * <ul> * <li>lat1, lon1 = Latitude and Longitude of point 1 (in decimal degrees)</li> * <li>lat2, lon2 = Latitude and Longitude of point 2 (in decimal degrees)</li> * <li>unit = the unit you desire for results * <ul> * <li>where: 'M' is statute miles</li> * <li>'K' is kilometers (default) </li> * <li>'N' is nautical miles</li> * </ul> * </li> * </ul> * Worldwide cities and other features databases with latitude longitude * are available at http://www.geodatasource.com</p> * <p/> * <p>For enquiries, please contact sales@geodatasource.com</p> * <p>Official Web site: http://www.geodatasource.com</p> * <p>GeoDataSource.com (C) All Rights Reserved 2013</p> * * @param lat1 - latitude point 1 * @param lon1 - longitude point 1 * @param lat2 - latitude point 2 * @param lon2 - longitude point 2 * @param unit - unit of measure (M, K, N) * @return the distance between the two points */ public static final double distance(double lat1, double lon1, double lat2, double lon2, char unit) { double theta = lon1 - lon2; double dist = Math.sin(deg2rad(lat1)) * Math.sin(deg2rad(lat2)) + Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) * Math.cos(deg2rad(theta)); dist = Math.acos(dist); dist = rad2deg(dist); dist = dist * 60 * 1.1515; if (unit == 'K') { dist = dist * 1.609344; } else if (unit == 'N') { dist = dist * 0.8684; } return (dist); }
From source file:org.eclipse.swt.snippets.Snippet195.java
static void drawTorus(float r, float R, int nsides, int rings) { float ringDelta = 2.0f * (float) Math.PI / rings; float sideDelta = 2.0f * (float) Math.PI / nsides; float theta = 0.0f, cosTheta = 1.0f, sinTheta = 0.0f; for (int i = rings - 1; i >= 0; i--) { float theta1 = theta + ringDelta; float cosTheta1 = (float) Math.cos(theta1); float sinTheta1 = (float) Math.sin(theta1); GL11.glBegin(GL11.GL_QUAD_STRIP); float phi = 0.0f; for (int j = nsides; j >= 0; j--) { phi += sideDelta;//from www .jav a 2s .c o m float cosPhi = (float) Math.cos(phi); float sinPhi = (float) Math.sin(phi); float dist = R + r * cosPhi; GL11.glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi); GL11.glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi); GL11.glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi); GL11.glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi); } GL11.glEnd(); theta = theta1; cosTheta = cosTheta1; sinTheta = sinTheta1; } }
From source file:fsm.series.Series_SS.java
@Override public double getFunctionValue(double y, int m) { return Math.sin(m * Math.PI * y / a); }