Qt 5.13 | Qt Quick Demo - Same Game

Qt 5.13.2 Reference Documentation

# Qt Quick Demo - Same Game

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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);
                  }
              }
          }
          */
      }