PShape::rotateZ() \ Language (API) \ Processing 1.0
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Reference for Processing version 1.0+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.
Class
PShape
Name
rotateZ()
Examples
PShape s;
void setup() {
size(100, 100, P3D);
s = loadShape("ohio.svg");
}
void draw() {
background(204);
shape(s);
}
void mousePressed() {
// Rotate the shape around the z-axis each time the mouse is pressed
s.rotateZ(0.1);
}
Description
Rotates a shape around the z-axis the amount specified by the angle parameter. Angles should be specified in radians (values from 0 to TWO_PI) or converted to radians with the radians() method.
Shapes are always rotated around the upper-left corner of their bounding box. Positive numbers rotate objects in a clockwise direction. Subsequent calls to the method accumulates the effect. For example, calling rotateZ(HALF_PI) and then rotateZ(HALF_PI) is the same as rotateZ(PI). This transformation is applied directly to the shape, it's not refreshed each time draw() is run.
This method requires a 3D renderer. You need to pass P3D or OPENGL as a third parameter into the size() method as shown in the example above.
Syntax
sh.rotateZ(angle)
Parameters
sh
PShape: any variable of type PShape
angle
float: angle of rotation specified in radians
Returns
none
Usage
Web & Application
Updated on November 22, 2008 08:39:25pm PST
Processing was initiated by Ben Fry and Casey Reas. It is developed by a small team of volunteers.
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