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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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package org.distorted.objects;
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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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6a224bdc
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Leszek Koltunski
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import static org.distorted.objects.FactoryCubit.IVY_D;
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886d1ebb
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Leszek Koltunski
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import static org.distorted.objects.FactoryCubit.IVY_C;
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import static org.distorted.objects.FactoryCubit.IVY_M;
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b89898c5
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class FactorySticker
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{
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private static FactorySticker mThis;
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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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ae755eda
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Leszek Koltunski
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void drawRoundedPolygon(Canvas canvas, Paint paint, int left, int top, float[] vertices, float stroke, int color, float r)
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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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ae755eda
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Leszek Koltunski
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drawCurrVertex(canvas, paint, left, top, r, 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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9e5b990e
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Leszek Koltunski
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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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9e5b990e
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Leszek Koltunski
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void drawIvyCenterSticker(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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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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6a224bdc
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Leszek Koltunski
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9e5b990e
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Leszek Koltunski
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float halfL = TEXTURE_HEIGHT*(1.0f - 2*IVY_D);
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6a224bdc
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Leszek Koltunski
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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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886d1ebb
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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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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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| 241 |
49cd8581
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Leszek Koltunski
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}
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| 242 |
b89898c5
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Leszek Koltunski
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}
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