AutoJs源码-转流星

/* 软件作者：https://xuhss.com/oxox/pro */ "ui"; //by @Mannix_Wu //QQ:3068758340 //修改来自:1811588980 ui.layout( <vertical> <canvas id="board" layout_weight="1"/> </vertical> ); var degree = { x: 0, y: 0, z: 0 } var offset = { x: 0, y: 1000 }; var star = new Array(); var count = 500 var size = 2000 for (let i = 0; i < count; i++) { let xy = RToxy(Math.random() * Math.PI * 2); let ss = getsd(Math.random() * size, xy); star.push(ss[0], ss[1]); } var paint = new Paint(); paint.setColor(colors.WHITE); paint.setStrokeWidth(2) var Y=0; var ASX = new XYToMatrix(null, 3); ui.board.setMaxFps(60); ui.board.on("draw", function(canvas) { let w=canvas.getWidth(); let h=canvas.getHeight(); canvas.translate(w/2,h/2); canvas.rotate(Y); Y+=0.3; let matrix= canvas.getMatrix(); //绘制背景色 canvas.drawColor(colors.argb(25, 0, 0, 0)); matrix.postConcat(ASX.matrix); canvas.setMatrix(matrix); canvas.drawPoints(star, paint); }); ui.board.setOnTouchListener(ASX.touchListener); sensors.register("gyroscope", sensors.delay.game).on("change", (event, azimuth, pitch, roll) => { degree.x = azimuth; degree.y = pitch; if (pitch < -90) { a = -roll - 180 } else if (pitch > 90) { a = -roll + 180 } else { a = roll } degree.z = a }); function RToxy(R) { var x = Math.cos(R); var y = Math.sin(R); return [x, y]; }; function weiyi(ary) { var sum = 0; for (var i = 0; i < ary.length; i++) { sum += Math.pow(ary[i], 2); }; return Math.sqrt(sum); }; function getsd(s, ary) { var sum = weiyi(ary); var S = s / sum; for (var i = 0; i < ary.length; i++) { ary[i] = ary[i] * S; }; return ary; }; function XYToMatrix(matrix, maxPoints) { this.matrix = matrix || new android.graphics.Matrix; this.invertMatrix = new android.graphics.Matrix; this.matrix.invert(this.invertMatrix); this.getScaling = function(ary) { ary = Array.isArray(ary) ? ary : [0, 0, 100, 100]; try { var Ary = this.matrixPoints(this.matrix, ary); return this.weiyi([Ary[2] - Ary[0], Ary[3] - Ary[1]]) / this.weiyi(ary); } catch (e) { toastLog(e); }; }; this.maxPoints = maxPoints || 2; this.maxPointsListener = () => {}; this.Touch = { Matrix: this.matrix, PointStart: new Array, PointCurrent: new Array, }; this.touchListener = new android.view.View.OnTouchListener((view, event) => { try { var W = view.getWidth(); var H = view.getHeight(); var PC = event.getPointerCount(); switch (event.getActionMasked()) { case event.ACTION_MOVE: try { for (let i = 0; i < PC; i++) { let id = event.getPointerId(i); let x = event.getX(i); let y = event.getY(i); this.Touch.PointCurrent[i * 2] = x; this.Touch.PointCurrent[i * 2 + 1] = y; }; //记录当前各手指坐标信息。 if (PC > this.maxPoints) { //手指数大于4个虽然记录坐标信息，但是不进行矩阵操作。 this.maxPointsListener(view, event); break; }; var Matrix = new android.graphics.Matrix(); Matrix.setPolyToPoly(this.Touch.PointStart, 0, this.Touch.PointCurrent, 0, PC > 4 ? 4 : PC); this.matrix = new android.graphics.Matrix(); this.matrix.setConcat(Matrix, this.Touch.Matrix); //进行矩阵运算并刷新矩阵。 this.matrix.invert(this.invertMatrix); //反矩阵 } catch (e) { throw "MOVE " + e; }; break; case event.ACTION_CANCEL: //log("CANCEL"); this.Touch.PointStart = new Array; this.Touch.PointCurrent = new Array; break; case event.ACTION_OUTSIDE: //log("OUTSIDE"); break; default: var I = Math.floor(event.getAction() / 256); var ID = event.getPointerId(I); var X = event.getX(I); var Y = event.getY(I); switch (event.getActionMasked()) { case event.ACTION_DOWN: try { log("down"); //当有新的手指按下时使坐标差为零。//开始新的多指矩阵运算方式 this.Touch.PointStart.splice(I * 2, 0, X, Y); this.Touch.PointCurrent.splice(I * 2, 0, X, Y); this.Touch.Matrix = this.matrix; //log(this.Touch.Matrix); } catch (e) { throw "DOWN " + e; }; break; case event.ACTION_UP: //最后一个手指抬起。 log("up"); this.Touch.PointStart = new Array; this.Touch.PointCurrent = new Array; break; case event.ACTION_POINTER_DOWN: log("POINTER_DOWN"); try { //当有新的手指按下时使坐标差为零。//开始新的多指矩阵运算方式 this.Touch.PointStart.splice(I * 2, 0, X, Y); this.Touch.PointCurrent.splice(I * 2, 0, X, Y); //获取点的总数量。 this.Touch.Matrix = this.matrix; for (let i = 0; i < PC; i++) { this.Touch.PointStart[i * 2] = this.Touch.PointCurrent[i * 2]; this.Touch.PointStart[i * 2 + 1] = this.Touch.PointCurrent[i * 2 + 1]; }; //保存坐标的数组。 if (PC > this.maxPoints) { //手指数大于4个化为原始矩阵虽然记录坐标信息，但是不进行矩阵操作。 this.maxPointsListener(view, event); break; }; var Matrix = new android.graphics.Matrix(); Matrix.setPolyToPoly(this.Touch.PointStart, 0, this.Touch.PointCurrent, 0, PC > 4 ? 4 : PC); this.matrix = new android.graphics.Matrix(); this.matrix.setConcat(Matrix, this.Touch.Matrix); //进行矩阵运算并刷新矩阵。 this.matrix.invert(this.invertMatrix); //反矩阵 } catch (e) { throw "P_DOWN " + e; }; break; case event.ACTION_POINTER_UP: