/**
* Draw a point at (x, y).
*
* @param x the x-coordinate of the point
* @param y the y-coordinate of the point
*/
public static void point(double x, double y) {
double r = penRadius; // r is the pen radius
// double ws = factorX(2*r);
// double hs = factorY(2*r);
// if (ws <= 1 && hs <= 1) pixel(x, y);
if (r <= 1) pixel(x, y);
else offscreen.fill(ShapeAssist.point(x, y, r));
draw();
}
/**
* Draw a filled polygon with the given (x[i], y[i]) coordinates.
*
* @param x an array of all the x-coordindates of the polygon
* @param y an array of all the y-coordindates of the polygon
*/
public static void filledPolygon(double[] x, double[] y) {
offscreen.fill(ShapeAssist.polygon(x, y));
draw();
}
/**
* Draw a polygon with the given (x[i], y[i]) coordinates.
*
* @param x an array of all the x-coordindates of the polygon
* @param y an array of all the y-coordindates of the polygon
*/
public static void polygon(double[] x, double[] y) {
offscreen.draw(ShapeAssist.polygon(x, y));
draw();
}
/**
* Draw a filled rectangle of given half width and half height, centred on (x, y) and rotated by d
* degrees.
*
* @param x the x-coordinate of the centre of the rectangle
* @param y the y-coordinate of the centre of the rectangle
* @param halfWidth is half the width of the rectangle
* @param halfHeight is half the height of the rectangle
* @param degrees is the rotation of the rectangle with 3 o'clock being 0 degrees and 12 o'clock
* being 270 degrees
* @throws RuntimeException if halfWidth or halfHeight is negative
*/
public static void filledAngledRectangle(
double x, double y, double halfWidth, double halfHeight, double degrees) {
offscreen.fill(ShapeAssist.angledRectangle(x, y, halfWidth, halfHeight, degrees));
draw();
}
/**
* Draw a rectangle of given half width and half height, centered on (x, y).
*
* @param x the x-coordinate of the center of the rectangle
* @param y the y-coordinate of the center of the rectangle
* @param halfWidth is half the width of the rectangle
* @param halfHeight is half the height of the rectangle
* @throws RuntimeException if halfWidth or halfHeight is negative
*/
public static void rectangle(double x, double y, double halfWidth, double halfHeight) {
offscreen.draw(ShapeAssist.rectangle(x, y, halfWidth, halfHeight));
draw();
}
/**
* Draw a filled equilateral triangle of radius r, centred at <location>.
*
* @param location the Point at the centre of the triangle
* @param r radius is the length from the centre of the triangle to any of its corners.
* @throws RuntimeException if r is negative
*/
public static void filledTriangle(double x, double y, double r) {
offscreen.fill(ShapeAssist.triangle(x, y, r));
draw();
}
/**
* Draw a filled diamond of side length 2r, centred on (x, y).
*
* @param x the x-coordinate of the centre of the diamond
* @param y the y-coordinate of the centre of the diamond
* @param r radius is half the length of any side of the diamond
* @throws RuntimeException if r is negative
*/
public static void filledDiamond(double x, double y, double r) {
offscreen.fill(ShapeAssist.diamond(x, y, r));
draw();
}
/**
* Draw a filled square of side length 2r, centred on (x, y).
*
* @param x the x-coordinate of the centre of the square
* @param y the y-coordinate of the centre of the square
* @param r radius is half the length of any side of the square
* @throws RuntimeException if r is negative
*/
public static void filledSquare(double x, double y, double r) {
offscreen.fill(ShapeAssist.square(x, y, r));
draw();
}
/**
* Draw an arc of radius r, centred on (x, y), from angle1 to angle2 (in degrees).
*
* @param x the x-coordinate of the centre of the circle
* @param y the y-coordinate of the centre of the circle
* @param r the radius of the circle
* @param angle1 the starting angle. 0 would mean an arc beginning at 3 o'clock.
* @param angle2 the angle at the end of the arc. For example, if you want a 90 degree arc, then
* angle2 should be angle1 + 90.
* @throws RuntimeException if the radius of the circle is negative
*/
public static void arc(double x, double y, double r, double angle1, double angle2) {
offscreen.draw(ShapeAssist.arc(x, y, r, angle1, angle2));
draw();
}
/**
* Draw a filled ellipse with given semimajor and semiminor axes, centred on (x, y).
*
* @param x the x-coordinate of the centre of the ellipse
* @param y the y-coordinate of the centre of the ellipse
* @param semiMajorAxis is the semimajor axis of the ellipse
* @param semiMinorAxis is the semiminor axis of the ellipse
* @throws RuntimeException if either of the axes are negative
*/
public static void filledEllipse(double x, double y, double semiMajorAxis, double semiMinorAxis) {
offscreen.fill(ShapeAssist.ellipse(x, y, semiMajorAxis, semiMinorAxis));
draw();
}
/**
* Draw filled circle of radius r, centred on (x, y).
*
* @param x the x-coordinate of the centre of the circle
* @param y the y-coordinate of the centre of the circle
* @param r the radius of the circle
* @throws RuntimeException if the radius of the circle is negative
*/
public static void filledCircle(double x, double y, double r) {
offscreen.fill(ShapeAssist.circle(x, y, r));
draw();
}