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README.md

@@ -1,6 +1,6 @@
 # 3Dmodel_motion_tracking
 
-Visualizing 3D motion of lolypad adxl335 sensor
+Visualizing 3D motion of lolypad adxl335 sensor
-
+
-## Connecting Lolypad ADXL335 to arduino uno
+## Connecting Lolypad ADXL335 to arduino uno
-![Image of Connection](https://git.swarmlab.io:3000/cs141016/3Dmodel_motion_tracking/src/branch/master/Connection.jpg)
+![Image of Connection](https://https://git.swarmlab.io:3000/cs141016/3Dmodel_motion_tracking/Connection.jpg)

lilypad_adxl335.ino

@@ -0,0 +1,55 @@
+// these constants describe the pins. They won't change:
+const int xpin = A1;                  // x-axis of the accelerometer
+const int ypin = A2;                  // y-axis
+const int zpin = A3;                  // z-axis (only on 3-axis models)
+//
+int sampleDelay = 500;   //number of milliseconds between readings
+void setup()
+{
+ // initialize the serial communications:
+ Serial.begin(9600);
+ //
+ //Make sure the analog-to-digital converter takes its reference voltage from
+ // the AREF pin
+ pinMode(xpin, INPUT);
+ pinMode(ypin, INPUT);
+ pinMode(zpin, INPUT);
+}
+void loop()
+{
+ int x = analogRead(xpin);
+ //
+ //add a small delay between pin readings.  I read that you should
+ //do this but haven't tested the importance
+   delay(1); 
+ //
+ int y = analogRead(ypin);
+ //
+ //add a small delay between pin readings.  I read that you should
+ //do this but haven't tested the importance
+   delay(1); 
+ //
+ int z = analogRead(zpin);
+ //
+ //zero_G is the reading we expect from the sensor when it detects
+ //no acceleration.  Subtract this value from the sensor reading to
+ //get a shifted sensor reading.
+ float zero_G =512; 
+ //
+ //scale is the number of units we expect the sensor reading to
+ //change when the acceleration along an axis changes by 1G.
+ //Divide the shifted sensor reading by scale to get acceleration in Gs.
+ float scale =102.3;
+ //
+ Serial.print(((float)x - zero_G)/scale);
+ Serial.print("\t");
+ //
+ Serial.print(((float)y - zero_G)/scale);
+ Serial.print("\t");
+ //
+ Serial.print(((float)z - zero_G)/scale);
+ Serial.print("\n");
+ //
+ // delay before next reading:
+ delay(sampleDelay);
+}

sketch_3d_model.pde

@@ -1,48 +1,45 @@
 import processing.serial.*;
 String row;
-int xpin;
+float xpin;
-int ypin;
+float ypin;
-int zpin;
+float zpin;
 Serial myPort;
 
 void setup(){
   String portName = Serial.list()[0]; //open COM4 port
   myPort = new Serial(this, portName, 9600);
-   
+     
-  size(640,360,P3D);
+  size(640, 360, P3D);
-  background(0);
-  lights();
-  
-  pushMatrix();
-  translate(130, height/2, 0);
-  rotateY(1.25);
-  rotateX(-0.4);
   noStroke();
-  box(100);
+  fill(204);
-  popMatrix();
-  
-  pushMatrix();
-  translate(500, height*0.35, -200);
-  noFill();
-  stroke(255);
-  sphere(280);
-  popMatrix();
-
 }
 
 void draw(){
+  
+
 
   if ( myPort.available() > 0){  // If data is available,
     
     row = myPort.readStringUntil('\n'); // read it and store it in variable
     if (row != null){
       String splittedRow[] = split(row, '\t');
-      if (splittedRow.length > 0){xpin = Integer.parseInt(splittedRow[0].trim());}         
+      if (splittedRow.length > 0){xpin = Float.parseFloat(splittedRow[0].trim());}         
-      if (splittedRow.length > 1){ypin = Integer.parseInt(splittedRow[1].trim());}        
+      if (splittedRow.length > 1){ypin = Float.parseFloat(splittedRow[1].trim());}        
-      if (splittedRow.length > 2){zpin = Integer.parseInt(splittedRow[2].trim());} 
+      if (splittedRow.length > 2){zpin = Float.parseFloat(splittedRow[2].trim());} 
     
       println(xpin + ", " + ypin + ", " + zpin); //print it out in the console
+      
+      
+      background(0);
+      lights();
+      //if(xpin < 360){rotateX(radians(xpin));}
+      //if(ypin < 360){rotateY(radians(ypin));} 
+      //if(zpin < 360){rotateZ(radians(zpin));} 
+      camera(xpin, ypin, zpin, width/2, height/2, 0, 0, 1, 0); 
+      translate(width/2, height/2, 0);
+      stroke(255);
+      box(160);
     }
   } 
-  
+
 }