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java.lang.Object | +--acm.graphics.GMath
public class GMath extends Object
This class defines a variety of static mathematical methods that are useful for the acm.graphics package.
Method Summary | |
double | angle(double x,
double y) |
double | angle(double x0,
double y0,
double x1,
double y1) |
double | cosDegrees(double angle) |
double | distance(double x,
double y) |
double | distance(double x0,
double y0,
double x1,
double y1) |
int | round(double x) |
double | sinDegrees(double angle) |
double | tanDegrees(double angle) |
double | toDegrees(double radians) |
double | toRadians(double degrees) |
Method Detail |
public static double angle(double x,
double y)
Usage: | double theta = angle(x, y); | ||||
Parameters: |
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Returns: | The angle from the origin to the point (x, y) measured in degrees counterclockwise from the +x axis |
public static double angle(double x0,
double y0,
double x1,
double y1)
Usage: | double theta = angle(x0, y0, x1, y1); | ||||||||
Parameters: |
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Returns: | The angle formed by the line segment from (x0, y0) to (x1, y1) |
public static double cosDegrees(double angle)
Usage: | double c = cosDegrees(angle); | ||
Parameter: |
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Returns: | The trigonometric cosine of the angle |
public static double distance(double x,
double y)
Usage: | double d = distance(x, y); | ||||
Parameters: |
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Returns: | The distance from the origin to the point (x, y) |
public static double distance(double x0,
double y0,
double x1,
double y1)
Usage: | double d = distance(x0, y0, x1, y1); | ||||||||
Parameters: |
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Returns: | The distance between the points (x0, y0) and (x1, y1) |
public static int round(double x)
Usage: | int n = round(x); | ||
Parameter: |
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Returns: | The nearest int value |
public static double sinDegrees(double angle)
Usage: | double s = sinDegrees(angle); | ||
Parameter: |
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Returns: | The trigonometric sine of the angle |
public static double tanDegrees(double angle)
Usage: | double t = tanDegrees(angle); | ||
Parameter: |
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Returns: | The trigonometric tangent of the angle |
public static double toDegrees(double radians)
Usage: | double degrees = toDegrees(radians); | ||
Parameter: |
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Returns: | The equivalent angle in degrees |
public static double toRadians(double degrees)
Usage: | double radians = toRadians(degrees); | ||
Parameter: |
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Returns: | The equivalent angle in radians |
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