From 9be73c2d0f21a539bc46974139e8c36c12845ca0 Mon Sep 17 00:00:00 2001
From: Fbenas <philbeansburton@gmail.com>
Date: Sun, 20 Sep 2020 22:08:03 +0100
Subject: Initial commit

---
 resources/js/component.js | 80 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 resources/js/component.js

(limited to 'resources/js/component.js')

diff --git a/resources/js/component.js b/resources/js/component.js
new file mode 100644
index 0000000..6d74e93
--- /dev/null
+++ b/resources/js/component.js
@@ -0,0 +1,80 @@
+class Component {
+
+    constructor(radius, color, x, y, direction) {
+        this.perceptionDistance = 20;
+        this.turnStepAmount = 5;
+        this.collisionTurnStepAmount = 20;
+        this.stepAmount = 1;
+        this.radius = radius;
+        this.x = x;
+        this.y = y;
+        this.direction = direction;
+        this.color = color;
+    }
+
+    move(context) {
+        this.direction += Math.random() * (2 * this.turnStepAmount) - this.turnStepAmount
+        var localDirection = this.direction;
+        // first we need to work out if we detect any walls
+        var perceptionVector = this.detectionPoint(this.x, this.y, this.perceptionDistance, localDirection);
+
+        while (perceptionVector.x < 0 || perceptionVector.y < 0 || perceptionVector.x > context.canvas.width || perceptionVector.y > context.canvas.height) {
+            localDirection += Math.random() * (2 * this.collisionTurnStepAmount) - this.collisionTurnStepAmount
+            perceptionVector = this.detectionPoint(this.x, this.y, this.perceptionDistance, localDirection);
+        }
+
+        // Here we should now have a new vector that's not clipping
+        this.direction = localDirection;
+        var vector = this.detectionPoint(this.x, this.y, this.stepAmount, this.direction);
+
+
+        this.x = vector.x;
+        this.y = vector.y;
+        this.update(context);
+    }
+
+    update(context) {
+        context.beginPath();
+        context.fillStyle = "blue";
+        context.arc(this.x, this.y, this.radius, 0, 2 * Math.PI);
+        context.stroke();
+
+        context.restore();
+        context.beginPath();
+        this.lineToAngle(context, this.x, this.y, this.perceptionDistance, this.direction);
+        context.lineWidth = 1;
+        // context.stroke();
+
+        context.restore();
+    }
+
+    lineToAngle(context, x1, y1, length, angle) {
+
+        angle *= Math.PI / 180;
+
+        var x2 = x1 + length * Math.cos(angle),
+            y2 = y1 + length * Math.sin(angle);
+
+        context.moveTo(x1, y1);
+        context.lineTo(x2, y2);
+
+        return {
+            x: x2,
+            y: y2
+        };
+    }
+
+    detectionPoint(x1, y1, length, angle) {
+
+        angle *= Math.PI / 180;
+
+        var x2 = x1 + length * Math.cos(angle),
+            y2 = y1 + length * Math.sin(angle);
+
+        return {
+            x: x2,
+            y: y2
+        };
+    }
+
+}
-- 
cgit v1.2.3