1 files changed, 30 insertions, 0 deletions
diff --git a/particle.js b/particle.js
new file mode 100644
index 0000000..66f4f6e
--- /dev/null
+++ b/particle.js
@@ -0,0 +1,30 @@
+function Particle(x, y, m, c) {
+  this.pos = createVector(x, y);
+  this.vel = createVector(0, 0);
+  this.acc = createVector(0, 0);
+  this.colour = c;
+  this.mass = m;
+
+  this.applyForce = function(force) {
+    this.acc.add(p5.Vector.div(force, this.mass));
+  }
+
+  this.update = function() {
+    this.vel.add(this.acc);
+    this.pos.add(this.vel);
+    this.acc.mult(0);
+
+    if (this.pos.x <= 0 || this.pos.x >= wid)
+      this.vel.x = -this.vel.x;
+    if (this.pos.y <= 0)
+      this.vel.y = -this.vel.y;
+  }
+
+  this.show = function() {
+    point(this.pos.x, this.pos.y);
+  }
+
+  this.gone = function() {
+    return this.pos.y >= hei;
+  }
+}