From 0dc789a168828ede4ad5c3e86db97c6f94d5698f Mon Sep 17 00:00:00 2001
From: Arne van Iterson <arne@arnweb.nl>
Date: Tue, 24 Mar 2020 20:29:33 +0100
Subject: [PATCH] Added lightsource

---
 lib/Lightsource.js             | 9 +++++++++
 lib/index.js                   | 2 ++
 lib/renderer/CanvasRenderer.js | 9 +++++++++
 3 files changed, 20 insertions(+)
 create mode 100644 lib/Lightsource.js

diff --git a/lib/Lightsource.js b/lib/Lightsource.js
new file mode 100644
index 0000000..43f533a
--- /dev/null
+++ b/lib/Lightsource.js
@@ -0,0 +1,9 @@
+class Lightsource {
+	constructor(radius, style = { start: "rgba(255,255,255,0.5)", stop: "rgba(0,0,0,0.9)" }) {
+		this.pos = { x: 0, y: 0 };
+		this.radius = radius;
+		this.style = style;
+	}
+}
+  
+module.exports = Lightsource;
\ No newline at end of file
diff --git a/lib/index.js b/lib/index.js
index a4639a7..5d974b9 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -8,6 +8,7 @@ var AnimManager = require("./AnimManager.js"),
 	deadInTracks = require("./movement/deadInTracks.js"),
 	wallslide = require("./movement/wallslide.js"),
 	Rect = require("./Rect.js"),
+	Lightsource = require("./Lightsource.js"),
 	KeyControls = require("./controls/KeyControls.js"),
 	MouseControls = require("./controls/MouseControls.js"),
 	Sprite = require("./Sprite.js"),
@@ -31,6 +32,7 @@ module.exports = {
 	deadInTracks,
 	wallslide,
 	Rect,
+	Lightsource,
 	KeyControls,
 	MouseControls,
 	Sprite,
diff --git a/lib/renderer/CanvasRenderer.js b/lib/renderer/CanvasRenderer.js
index 9f22141..0a91af3 100644
--- a/lib/renderer/CanvasRenderer.js
+++ b/lib/renderer/CanvasRenderer.js
@@ -82,6 +82,15 @@ class CanvasRenderer {
 				} else if (child.style && child.w && child.h) {
 					ctx.fillStyle = child.style.fill;
 					ctx.fillRect(0, 0, child.w, child.h);
+				} else if (child.style && child.radius) {
+					var gradient = ctx.createRadialGradient(0, 0, 50, 0, 0, 50);
+					gradient.addColorStop(0, child.style.start);
+					gradient.addColorStop(1, child.style.stop);
+
+					ctx.arc(0, 0, child.radius, 0, 2 * Math.PI);
+					ctx.fillStyle = gradient;
+
+					ctx.fill();
 				}
 
 				// Handle children with children