Qt 5.8 | Qt Quick | Qt Quick Demo - Same Game | PaintEmitter.qml Example File

Qt 5.8.0 Reference Documentation

# PaintEmitter.qml Example File

demos/samegame/content/PaintEmitter.qml

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
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      ** This file is part of the examples of the Qt Toolkit.
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      ** $QT_BEGIN_LICENSE:BSD$
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      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
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      import QtQuick 2.0
      import QtQuick.Particles 2.0
      import "."

      Emitter {
          property Item block: parent
          anchors.fill: parent
          shape: EllipseShape { fill: true }
          group: {
              if (block.type == 0){
                  "redspots";
              } else if (block.type == 1) {
                  "bluespots";
              } else if (block.type == 2) {
                  "greenspots";
              } else {
                  "yellowspots";
              }
          }
          size: Settings.blockSize * 2
          endSize: Settings.blockSize/2
          lifeSpan: 30000
          enabled: false
          emitRate: 60
          maximumEmitted: 60
          velocity: PointDirection{ y: 4; yVariation: 4 }
          /* Possibly better, but dependent on gerrit change,28212
          property real mainIntensity: 0.8
          property real subIntensity: 0.1
          property real colorVariation: 0.005
          onEmitParticles: {//One group, many colors, for better stacking
              for (var i=0; i<particles.length; i++) {
                  var particle = particles[i];
                  if (block.type == 0) {
                      particle.red = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.green = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.blue = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                  } else if (block.type == 1) {
                      particle.red = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.green = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.blue = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                  } else if (block.type == 2) {
                      particle.red = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.green = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.blue = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                  } else if (block.type == 3) {
                      particle.red = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.green = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.blue = subIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                  } else {
                      particle.red = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.green = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                      particle.blue = mainIntensity + (Math.random() * colorVariation * 2 - colorVariation);
                  }
              }
          }
          */
      }