processing-GUI:G4P library-GSlider2D (滑动器)：setLimitsX(),setLimitsY(),getValueXI().getValueYI()

最新推荐文章于 2024-11-08 11:37:30 发布

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最新推荐文章于 2024-11-08 11:37:30 发布 · 1.1k 阅读

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本文介绍了使用G4P库在Processing中创建2D滑动器GSlider2D的方法，包括设置限制坐标(setLimitsX(), setLimitsY())以及获取整数值(getValueXI(), getValueYI())的细节。" 138262823,10005422,二叉树深度与节点数的正确关系解析,"['二叉树', '数据结构', 'Markdown', '编辑器', '数学公式']

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/*
the webset of learning G4P
http://www.lagers.org.uk/g4p


the webset of learning MySQL
http://bezier.de/processing/libs/sql/
http://wiki.processing.org/w/How_to_Install_a_Contributed_Library

*/
import g4p_controls.*;

GSlider2D sdrSniper;

PImage imgScene, imgSight;
// Lens properties
int lsize = 40, lsize2 = lsize * lsize;
//mag abd k are used to control the size of enlargement
float mag = 2.0f;
float k = -0.00002;

int sightX, sightY;
int border, borderViaLens;

public void setup() {
  size(540, 460);
  cursor(CROSS);
  imageMode(CENTER);
  imgScene = loadImage("backdrop.jpg");
  imgSight = loadImage("sight.png");

  // border colours
  borderViaLens = color(0, 80, 0);
  
  //create a slider in a rect(180,340,180,100);
  sdrSniper = new GSlider2D(this,