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b89898c5
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2020 Leszek Koltunski //
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// //
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// This file is part of Magic Cube. //
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// //
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// Magic Cube is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Magic Cube is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Magic Cube. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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749ef882
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Leszek Koltunski
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package org.distorted.helpers;
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b89898c5
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Leszek Koltunski
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import static org.distorted.objects.TwistyObject.TEXTURE_HEIGHT;
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import static org.distorted.objects.TwistyObject.COLOR_BLACK;
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be56193c
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Leszek Koltunski
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import static org.distorted.objects.TwistyIvy.IVY_D;
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import static org.distorted.objects.TwistyIvy.IVY_C;
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import static org.distorted.objects.TwistyIvy.IVY_M;
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import static org.distorted.objects.TwistyRex.REX_D;
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b89898c5
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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749ef882
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Leszek Koltunski
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public class FactorySticker
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b89898c5
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Leszek Koltunski
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{
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dad33773
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Leszek Koltunski
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private static final float SQ2 = (float)Math.sqrt(2);
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da36b97e
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Leszek Koltunski
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private static final float REX_X,REX_R,REX_B,REX_A, REX_P, REX_T, REX_C, REX_S;
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b89898c5
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Leszek Koltunski
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private static FactorySticker mThis;
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da36b97e
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static
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{
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float F = REX_D*SQ2;
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float G = (1-REX_D)*SQ2/2;
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REX_X = (0.5f-REX_D*REX_D)/(2*REX_D);
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REX_R = (float)Math.sqrt(2*REX_X*REX_X+0.5f);
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REX_B = (float) ((180/Math.PI)*(2*Math.asin( Math.sqrt(REX_D*REX_D-REX_D+0.5f) / (2*REX_R) )));
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REX_A = (float) ((180/Math.PI)*Math.acos(REX_X/REX_R)) - 45;
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REX_P = 45 + REX_B/2 + REX_A;
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REX_T = (float) ( Math.tan( (Math.PI/180)*(45-REX_P/2) ) );
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REX_C = (float)(REX_R/Math.cos((Math.PI/180)*REX_B/2) );
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REX_S = (float)(1/Math.sqrt(1+4*G*G/(F*F)));
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}
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b89898c5
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private FactorySticker()
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{
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static FactorySticker getInstance()
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{
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if( mThis==null ) mThis = new FactorySticker();
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return mThis;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private float computeAngle(float dx, float dy)
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{
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float PI = (float)Math.PI;
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double angle = Math.atan2(dy,dx);
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float ret = (float)(3*PI/2-angle);
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if( ret>2*PI ) ret-= 2*PI;
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return ret;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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ae755eda
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Leszek Koltunski
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private void drawCurrVertex(Canvas canvas, Paint paint, int left, int top, float r, float stroke, float pX, float pY, float cX, float cY, float nX, float nY)
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b89898c5
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Leszek Koltunski
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{
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pX = (0.5f+pX)*TEXTURE_HEIGHT;
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pY = (0.5f-pY)*TEXTURE_HEIGHT;
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cX = (0.5f+cX)*TEXTURE_HEIGHT;
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cY = (0.5f-cY)*TEXTURE_HEIGHT;
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nX = (0.5f+nX)*TEXTURE_HEIGHT;
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nY = (0.5f-nY)*TEXTURE_HEIGHT;
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ae755eda
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Leszek Koltunski
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canvas.drawLine(left+pX,top+pY,left+cX,top+cY,paint);
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b89898c5
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Leszek Koltunski
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float aX = pX-cX;
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float aY = pY-cY;
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float bX = cX-nX;
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float bY = cY-nY;
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float aLen = (float)Math.sqrt(aX*aX+aY*aY);
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float bLen = (float)Math.sqrt(bX*bX+bY*bY);
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aX /= aLen;
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aY /= aLen;
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bX /= bLen;
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bY /= bLen;
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float sX = (aX-bX)/2;
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float sY = (aY-bY)/2;
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float sLen = (float)Math.sqrt(sX*sX+sY*sY);
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sX /= sLen;
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sY /= sLen;
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float startAngle = computeAngle(bX,-bY);
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float endAngle = computeAngle(aX,-aY);
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float sweepAngle = endAngle-startAngle;
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if( sweepAngle<0 ) sweepAngle += 2*Math.PI;
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float R = r*TEXTURE_HEIGHT+stroke/2;
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float A = (float)(R/(Math.cos(sweepAngle/2)));
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float rX = cX + A*sX;
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float rY = cY + A*sY;
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startAngle *= 180/(Math.PI);
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sweepAngle *= 180/(Math.PI);
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ae755eda
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Leszek Koltunski
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canvas.drawArc( left+rX-R, top+rY-R, left+rX+R, top+rY+R, startAngle, sweepAngle, false, paint);
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b89898c5
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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749ef882
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Leszek Koltunski
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// PUBLIC
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b89898c5
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Leszek Koltunski
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749ef882
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Leszek Koltunski
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public void drawRoundedPolygon(Canvas canvas, Paint paint, int left, int top, float[] vertices, float stroke, int color, float radius)
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b89898c5
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Leszek Koltunski
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{
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stroke *= TEXTURE_HEIGHT;
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paint.setAntiAlias(true);
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paint.setStrokeWidth(stroke);
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paint.setColor(color);
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paint.setStyle(Paint.Style.FILL);
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ae755eda
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Leszek Koltunski
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canvas.drawRect(left,top,left+TEXTURE_HEIGHT,top+TEXTURE_HEIGHT,paint);
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b89898c5
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Leszek Koltunski
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paint.setColor(COLOR_BLACK);
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paint.setStyle(Paint.Style.STROKE);
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int length = vertices.length;
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int numVertices = length/2;
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float prevX = vertices[length-2];
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float prevY = vertices[length-1];
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float currX = vertices[0];
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float currY = vertices[1];
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float nextX = vertices[2];
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float nextY = vertices[3];
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for(int vert=0; vert<numVertices; vert++)
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{
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c5338d5e
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Leszek Koltunski
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drawCurrVertex(canvas, paint, left, top, radius, stroke, prevX,prevY,currX,currY,nextX,nextY);
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b89898c5
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Leszek Koltunski
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prevX = currX;
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prevY = currY;
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currX = nextX;
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currY = nextY;
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if( 2*(vert+2)+1 < length )
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{
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nextX = vertices[2*(vert+2) ];
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nextY = vertices[2*(vert+2)+1];
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}
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else
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{
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nextX = vertices[0];
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nextY = vertices[1];
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}
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}
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}
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49cd8581
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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749ef882
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Leszek Koltunski
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public void drawIvyCornerSticker(Canvas canvas, Paint paint, int left, int top, int color, float stroke, float radius)
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49cd8581
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Leszek Koltunski
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{
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9e5b990e
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Leszek Koltunski
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paint.setAntiAlias(true);
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49cd8581
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Leszek Koltunski
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paint.setColor(color);
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paint.setStyle(Paint.Style.FILL);
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canvas.drawRect(left,top,left+TEXTURE_HEIGHT,top+TEXTURE_HEIGHT,paint);
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6a224bdc
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Leszek Koltunski
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paint.setColor(COLOR_BLACK);
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paint.setStyle(Paint.Style.STROKE);
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886d1ebb
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Leszek Koltunski
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paint.setStrokeWidth(IVY_C*stroke*TEXTURE_HEIGHT);
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9e5b990e
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Leszek Koltunski
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886d1ebb
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Leszek Koltunski
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float tmp1 = ((IVY_D-0.5f)-IVY_M)*IVY_C;
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9e5b990e
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Leszek Koltunski
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float cx1 = TEXTURE_HEIGHT*(tmp1 + 0.5f);
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float cy1 = TEXTURE_HEIGHT*(0.5f - tmp1);
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886d1ebb
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Leszek Koltunski
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float halfL1 = IVY_C*TEXTURE_HEIGHT*(1.0f-2*IVY_D);
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9e5b990e
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Leszek Koltunski
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canvas.drawArc( left+cx1-halfL1, top+cy1-halfL1, left+cx1+halfL1, top+cy1+halfL1, 270, 90, false, paint);
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886d1ebb
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Leszek Koltunski
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float tmp2 = (+0.5f-IVY_M)*IVY_C;
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float tmp3 = (-0.5f-IVY_M)*IVY_C;
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9e5b990e
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Leszek Koltunski
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float x0 = TEXTURE_HEIGHT*(+tmp2 + 0.5f);
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float y0 = TEXTURE_HEIGHT*(-tmp3 + 0.5f);
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float x1 = TEXTURE_HEIGHT*(+tmp2 + 0.5f);
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float y1 = TEXTURE_HEIGHT*(-tmp2 + 0.5f);
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float x2 = TEXTURE_HEIGHT*(+tmp3 + 0.5f);
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float y2 = TEXTURE_HEIGHT*(-tmp2 + 0.5f);
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canvas.drawLine(left+x0,top+y0,left+x1,top+y1,paint);
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canvas.drawLine(left+x1,top+y1,left+x2,top+y2,paint);
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886d1ebb
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Leszek Koltunski
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float tmp4 = ((0.5f-stroke/2-radius/2)-IVY_M)*IVY_C;
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9e5b990e
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Leszek Koltunski
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float cx2 = TEXTURE_HEIGHT*(tmp4 + 0.5f);
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float cy2 = TEXTURE_HEIGHT*(0.5f - tmp4);
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886d1ebb
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Leszek Koltunski
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float halfL2 = IVY_C*TEXTURE_HEIGHT*radius;
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9e5b990e
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Leszek Koltunski
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886d1ebb
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Leszek Koltunski
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paint.setStrokeWidth(IVY_C*radius*TEXTURE_HEIGHT);
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9e5b990e
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Leszek Koltunski
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canvas.drawArc( left+cx2-halfL2, top+cy2-halfL2, left+cx2+halfL2, top+cy2+halfL2, 270, 90, false, paint);
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49cd8581
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Leszek Koltunski
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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| 229 |
749ef882
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Leszek Koltunski
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public void drawIvyCenterSticker(Canvas canvas, Paint paint, int left, int top, int color, float stroke, float radius)
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| 230 |
49cd8581
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Leszek Koltunski
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{
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| 231 |
9e5b990e
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Leszek Koltunski
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paint.setAntiAlias(true);
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49cd8581
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Leszek Koltunski
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paint.setColor(color);
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paint.setStyle(Paint.Style.FILL);
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canvas.drawRect(left,top,left+TEXTURE_HEIGHT,top+TEXTURE_HEIGHT,paint);
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6a224bdc
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Leszek Koltunski
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paint.setColor(COLOR_BLACK);
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paint.setStyle(Paint.Style.STROKE);
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paint.setStrokeWidth(stroke*TEXTURE_HEIGHT);
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9e5b990e
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Leszek Koltunski
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float cx1 = TEXTURE_HEIGHT*IVY_D;
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float cy1 = TEXTURE_HEIGHT*(1-IVY_D);
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float cx2 = TEXTURE_HEIGHT*(1.0f-IVY_D);
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float cy2 = TEXTURE_HEIGHT*IVY_D;
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| 244 |
6a224bdc
|
Leszek Koltunski
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| 245 |
9e5b990e
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Leszek Koltunski
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float halfL = TEXTURE_HEIGHT*(1.0f - 2*IVY_D);
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| 246 |
6a224bdc
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Leszek Koltunski
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| 247 |
9e5b990e
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Leszek Koltunski
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canvas.drawArc( left+cx1-halfL, top+cy1-halfL, left+cx1+halfL, top+cy1+halfL, 270, 90, false, paint);
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canvas.drawArc( left+cx2-halfL, top+cy2-halfL, left+cx2+halfL, top+cy2+halfL, 90, 90, false, paint);
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| 249 |
886d1ebb
|
Leszek Koltunski
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float tmp = TEXTURE_HEIGHT*(IVY_D+stroke*0.5f+radius*0.5f);
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float cx3 = tmp;
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float cy3 = tmp;
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float cx4 = TEXTURE_HEIGHT - cx3;
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| 254 |
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float cy4 = TEXTURE_HEIGHT - cy3;
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float halfR = TEXTURE_HEIGHT*radius;
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paint.setStrokeWidth(radius*TEXTURE_HEIGHT);
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canvas.drawArc( left+cx3-halfR, top+cy3-halfR, left+cx3+halfR, top+cy3+halfR, 180, 90, false, paint);
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canvas.drawArc( left+cx4-halfR, top+cy4-halfR, left+cx4+halfR, top+cy4+halfR, 0, 90, false, paint);
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| 260 |
49cd8581
|
Leszek Koltunski
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}
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| 261 |
59b87d56
|
Leszek Koltunski
|
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| 262 |
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///////////////////////////////////////////////////////////////////////////////////////////////////
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| 263 |
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| 264 |
749ef882
|
Leszek Koltunski
|
public void drawRexCornerSticker(Canvas canvas, Paint paint, int left, int top, int color, float stroke, float radius1, float radius2)
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| 265 |
59b87d56
|
Leszek Koltunski
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{
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| 266 |
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paint.setColor(color);
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| 267 |
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paint.setStyle(Paint.Style.FILL);
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| 268 |
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canvas.drawRect(left,top,left+TEXTURE_HEIGHT,top+TEXTURE_HEIGHT,paint);
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| 269 |
dad33773
|
Leszek Koltunski
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| 270 |
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paint.setColor(COLOR_BLACK);
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| 271 |
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paint.setStyle(Paint.Style.STROKE);
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| 272 |
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paint.setStrokeWidth(stroke*TEXTURE_HEIGHT);
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| 273 |
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| 274 |
da36b97e
|
Leszek Koltunski
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float F = REX_D*SQ2;
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| 275 |
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float G = (1-REX_D)*SQ2/2;
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| 276 |
59b87d56
|
Leszek Koltunski
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float cx1 = left + (0.5f-F/2)*TEXTURE_HEIGHT;
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float cx2 = left + (0.5f+F/2)*TEXTURE_HEIGHT;
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float cy = top + (0.5f+G/3)*TEXTURE_HEIGHT;
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canvas.drawLine(cx1, cy, cx2, cy, paint);
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float X = REX_C-F/2;
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float R1 = TEXTURE_HEIGHT*(REX_R + 0.5f*stroke);
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float cx3 = left + (0.5f-X)*TEXTURE_HEIGHT;
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float cx4 = left + (0.5f+X)*TEXTURE_HEIGHT;
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canvas.drawArc( cx3-R1, cy-R1, cx3+R1, cy+R1, 360-REX_B/2, REX_B/2, false ,paint);
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canvas.drawArc( cx4-R1, cy-R1, cx4+R1, cy+R1, 180 , REX_B/2, false ,paint);
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float cx5 = left + (0.5f+F/2-radius2)*TEXTURE_HEIGHT;
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float cx6 = left + (0.5f-F/2+radius2)*TEXTURE_HEIGHT;
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float cy1 = top + (0.5f+G/3-radius2)*TEXTURE_HEIGHT;
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float R2 = TEXTURE_HEIGHT*radius2;
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canvas.drawArc( cx5-R2, cy1-R2, cx5+R2, cy1+R2, 0, 90, false ,paint);
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canvas.drawArc( cx6-R2, cy1-R2, cx6+R2, cy1+R2, 90, 90, false ,paint);
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float cx7 = left + 0.5f*TEXTURE_HEIGHT;
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float cy2 = top + (0.5f-2*G/3 + radius1/REX_S)*TEXTURE_HEIGHT;
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float R3 = TEXTURE_HEIGHT*(radius1 + 0.5f*stroke);
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canvas.drawArc( cx7-R3, cy2-R3, cx7+R3, cy2+R3, 270-(90-REX_B/2), 180-REX_B, false ,paint);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void drawRexEdgeSticker(Canvas canvas, Paint paint, int left, int top, int color, float stroke, float radius)
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{
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paint.setColor(color);
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paint.setStyle(Paint.Style.FILL);
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canvas.drawRect(left,top,left+TEXTURE_HEIGHT,top+TEXTURE_HEIGHT,paint);
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paint.setColor(COLOR_BLACK);
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paint.setStyle(Paint.Style.STROKE);
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paint.setStrokeWidth(stroke*TEXTURE_HEIGHT);
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final float D = ( 0.5f - (0.5f-REX_D)/3);
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float cx1 = left+ TEXTURE_HEIGHT*(0.5f-REX_X);
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float cy1 = top + TEXTURE_HEIGHT*(0.5f+REX_X+D);
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| 320 |
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float cx2 = left+ TEXTURE_HEIGHT*(0.5f+REX_X);
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| 321 |
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float R1 = TEXTURE_HEIGHT*REX_R;
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| 322 |
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| 323 |
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canvas.drawArc( cx1-R1, cy1-R1, cx1+R1, cy1+R1, 315-REX_A-REX_B, REX_B, false ,paint);
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canvas.drawArc( cx2-R1, cy1-R1, cx2+R1, cy1+R1, 225+REX_A , REX_B, false ,paint);
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| 325 |
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float CORR_Y = radius/12;
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| 327 |
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float CORR_A = 10;
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| 328 |
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float sin = (float)Math.sin(Math.PI*REX_P/180);
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| 329 |
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float cx = left + 0.5f*TEXTURE_HEIGHT;
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| 330 |
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float cy = top + ( 0.5f + 2*(0.5f-REX_D)/3 -CORR_Y -radius/sin )*TEXTURE_HEIGHT;
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| 331 |
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float R2 = TEXTURE_HEIGHT*radius;
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| 332 |
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| 333 |
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canvas.drawArc( cx-R2, cy-R2, cx+R2, cy+R2, 90-(REX_P-CORR_A), 2*(REX_P-CORR_A), false ,paint);
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| 334 |
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| 335 |
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float F = 0.1f;
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| 336 |
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float G = 0.6f;
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| 337 |
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float R3 = TEXTURE_HEIGHT*radius*G*0.9f;
|
| 338 |
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float X = G*radius/REX_T;
|
| 339 |
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float cx4 = left + X*TEXTURE_HEIGHT;
|
| 340 |
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float cx3 = left + (1-X)*TEXTURE_HEIGHT;
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| 341 |
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float cy3 = top + (0.5f - (0.5f-REX_D)/3 + G*radius - F*stroke)*TEXTURE_HEIGHT;
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| 342 |
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| 343 |
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canvas.drawArc( cx3-R3, cy3-R3, cx3+R3, cy3+R3, 270 , 90+REX_P, false ,paint);
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| 344 |
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canvas.drawArc( cx4-R3, cy3-R3, cx4+R3, cy3+R3, 270-(90+REX_P), 90+REX_P, false ,paint);
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| 345 |
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| 346 |
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float cy5 = top + D*TEXTURE_HEIGHT;
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| 347 |
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| 348 |
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paint.setStrokeWidth((1-2*F)*stroke*TEXTURE_HEIGHT);
|
| 349 |
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canvas.drawLine(left, cy5, left+TEXTURE_HEIGHT, cy5, paint);
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| 350 |
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}
|
| 351 |
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}
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