//Arm Class Tab
class Arm {
//CONSTRUCTOR
Arm() {
}
//FUNCTIONS
//how to rotate/translate/push/pop the arms??
//void rotateArm(float r){
// rotate(r);
//}
void display(){
x[x.length-1] = width/3; // Set base x-coordinate
y[x.length-1] = height/2; // Set base y-coordinate
}
void positionSegment(int a, int b) {
x[b] = x[a] + cos(angle[a]) * segLength;
y[b] = y[a] + sin(angle[a]) * segLength;
}
void reachSegment(int i, float xin, float yin) {
float dx = xin - x[i];
float dy = yin - y[i];
angle[i] = atan2(dy, dx);
targetX = xin - cos(angle[i]) * segLength;
targetY = yin - sin(angle[i]) * segLength;
}
void segment(float x, float y, float a, float sw) {
strokeWeight(sw);
pushMatrix();
translate(x, y);
//rotate(a);
line(0, 0, segLength, 0);
popMatrix();
}
}
//Object/functions
//DECLARE
Arm myArm1;
Arm myArm2;
int numSegments = 50;
float[] x = new float[numSegments];
float[] y = new float[numSegments];
float[] angle = new float[numSegments];
float segLength = 4;
float targetX, targetY;
void setup() {
noCursor();
size(640, 360);
strokeWeight(20.0);
stroke(255, 120, 90);
//INITIALIZE
myArm1 = new Arm();
myArm2 = new Arm();
}
void draw() {
background(0, 180, 195);
ellipse(215, 180, 20, 20);
pushMatrix();
rotate (0);
myArm1.display();
popMatrix();
//WHY ARE THESE NOT ROTATING SEPARATELY ACCORDING TO ROTATE FUNCTION radian VALUES????
pushMatrix();
rotate (PI/2);
myArm2.display();
popMatrix();
//pushMatrix();
//myArm2.rotateArm(PI/8);
//popMatrix();
// pushMatrix();
//myArm1.rotateArm(0);
//popMatrix();
myArm1.reachSegment(0, mouseX, mouseY);
for (int i=1; i<numSegments; i++) {
myArm1.reachSegment(i, targetX, targetY);
}
for (int i=x.length-1; i>=1; i--) {
myArm1.positionSegment(i, i-1);
}
for (int i=0; i<x.length; i++) {
myArm1.segment(x[i], y[i], angle[i], (i+1)*2);
}
myArm2.reachSegment(0, mouseX, mouseY);
for (int i=1; i<numSegments; i++) {
myArm2.reachSegment(i, targetX, targetY);
}
for (int i=x.length-1; i>=1; i--) {
myArm2.positionSegment(i, i-1);
}
for (int i=0; i<x.length; i++) {
myArm2.segment(x[i], y[i], angle[i], (i+1)*2);
}
}