Mercurial > hg > ristipolku

annotate game/AnimatedPointElement.java @ 125:054dd486ea84

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Add animated point element class.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 24 Nov 2011 19:46:09 +0200
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children e60b4885eafe
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1 /*
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2 * Ristipolku animated game element
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3 * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org>
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4 */
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5 package game;
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6
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7 import java.awt.*;
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8 import java.awt.geom.*;
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9 import java.util.*;
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10 import java.math.*;
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11
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12
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13 public class AnimatedPointElement
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14 {
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15 float stime, value;
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16 IDMPoint pos;
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17 Interpolate lerpV, lerpX, lerpY;
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18 boolean active, first;
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19 String text;
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20
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21 public AnimatedPointElement(IDMPoint p0, IDMPoint p1, float steps, String text)
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22 {
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23 lerpX = new Interpolate(p0.x, p1.x, steps);
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24 lerpY = new Interpolate(p0.y, p1.y, steps);
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25 lerpV = new Interpolate(1, 0, steps);
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26
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27
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28 System.out.print("AnimatedPointElement("+ p0 +", "+p1+", "+ steps +", '"+ text +"')\n");
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29 System.out.print("lerpX="+lerpX+"\n");
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30
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31 active = false;
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32 first = true;
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33 this.text = text;
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34 }
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35
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36 public void animate(float time)
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37 {
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38 if (first)
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39 {
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40 first = false;
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41 active = true;
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42 stime = time;
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43 }
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44
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45 if (active)
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46 {
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47 float t = (time - stime) / 10.0f;
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48 if (t >= 1.0f)
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49 {
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50 t = 1.0f;
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51 active = false;
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52 }
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53
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54 value = lerpV.getValue(t);
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55 pos.x = lerpX.getValue(t);
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56 pos.y = lerpY.getValue(t);
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57 }
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58 }
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59
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60 public void paint(Graphics2D g)
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61 {
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62 if (!active)
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63 return;
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64
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65 Paint psave = g.getPaint();
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66 AffineTransform tsave = g.getTransform();
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67 Composite csave = g.getComposite();
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68
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69 // g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, typeValue));
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70 g.setFont(G.fonts[0]);
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71 g.setPaint(new Color(1.0f, 1.0f, 1.0f, value));
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72 g.drawString(text, pos.x, pos.y);
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73
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74 g.setTransform(tsave);
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75 g.setComposite(csave);
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76 g.setPaint(psave);
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77 }
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78 }