function makeDotArray()

in datawig-js/static/jspsych-6.1.0/plugins/jspsych-rdk.js [780:881]
73 lines of code
17 McCabe index (conditional complexity)

		function makeDotArray() {
			var tempArray = []
			for (var i = 0; i < nDots; i++) {
				//Initialize a dot to be modified and inserted into the array
				var dot = {
					x: 0, //x coordinate
					y: 0, //y coordinate
					vx: 0, //coherent x jumpsize (if any)
					vy: 0, //coherent y jumpsize (if any)
					vx2: 0, //incoherent (random) x jumpsize (if any)
					vy2: 0, //incoherent (random) y jumpsize (if any)
					latestXMove: 0, //Stores the latest x move direction for the dot (to be used in reinsertOnOppositeEdge function below)
					latestYMove: 0, //Stores the latest y move direction for the dot (to be used in reinsertOnOppositeEdge function below)
					lifeCount: Math.floor(randomNumberBetween(0, dotLife)), //Counter for the dot's life. Updates every time it is shown in a frame
					updateType: "" //String to determine how this dot is updated
				};
				
				//randomly set the x and y coordinates
				dot = resetLocation(dot);

				//For the same && random position RDK type
				if (RDK == 1) {
					//For coherent dots
					if (i < nCoherentDots) {
						dot = setvxvy(dot); // Set dot.vx and dot.vy
						dot.updateType = "constant direction";
					}
			        //For opposite coherent dots
			        else if(i >= nCoherentDots && i < (nCoherentDots + nOppositeCoherentDots)){
								dot = setvxvy(dot); // Set dot.vx and dot.vy
			          dot.updateType = "opposite direction";
			        }
					//For incoherent dots
					else {
						dot.updateType = "random position";
					}
				} //End of RDK==1

				//For the same && random walk RDK type
				if (RDK == 2) {
					//For coherent dots
					if (i < nCoherentDots) {
						dot = setvxvy(dot); // Set dot.vx and dot.vy
						dot.updateType = "constant direction";
					}
        			//For opposite coherent dots
        			else if(i >= nCoherentDots && i < (nCoherentDots + nOppositeCoherentDots)){
								dot = setvxvy(dot); // Set dot.vx and dot.vy
        			  dot.updateType = "opposite direction";
        			}
					//For incoherent dots
					else {
						dot.updateType = "random walk";
					}
				} //End of RDK==2

				//For the same && random direction RDK type
				if (RDK == 3) {
					//For coherent dots
					if (i < nCoherentDots) {
						dot = setvxvy(dot); // Set dot.vx and dot.vy
						dot.updateType = "constant direction";
					}
        			//For opposite coherent dots
        			else if(i >= nCoherentDots && i < (nCoherentDots + nOppositeCoherentDots)){
								dot = setvxvy(dot); // Set dot.vx and dot.vy
        			  dot.updateType = "opposite direction";
        			}
					//For incoherent dots
					else {
						setvx2vy2(dot); // Set dot.vx2 and dot.vy2
						dot.updateType = "random direction";
					}
				} //End of RDK==3

				//For the different && random position RDK type
				if (RDK == 4) {
					//For all dots
					dot = setvxvy(dot); // Set dot.vx and dot.vy
					dot.updateType = "constant direction or opposite direction or random position";
				} //End of RDK==4

				//For the different && random walk RDK type
				if (RDK == 5) {
					//For all dots
					dot = setvxvy(dot); // Set dot.vx and dot.vy
					dot.updateType = "constant direction or opposite direction or random walk";
				} //End of RDK==5

				//For the different && random direction RDK type
				if (RDK == 6) {
					//For all dots
					dot = setvxvy(dot); // Set dot.vx and dot.vy
					//Each dot will have its own alternate direction of motion
					setvx2vy2(dot); // Set dot.vx2 and dot.vy2
					dot.updateType = "constant direction or opposite direction or random direction";
				} //End of RDK==6

				tempArray.push(dot);
			} //End of for loop
			return tempArray;
		}