From ad192fe7068081ed88f8616581bf450d601e99b1 Mon Sep 17 00:00:00 2001
From: James Barnett <noreply@jamesbarnett.xyz>
Date: Tue, 29 Dec 2020 20:13:01 +0000
Subject: Add textures

---
 src/main/kotlin/Renderer.kt | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

(limited to 'src/main/kotlin/Renderer.kt')

diff --git a/src/main/kotlin/Renderer.kt b/src/main/kotlin/Renderer.kt
index 8f71352..3a7111e 100644
--- a/src/main/kotlin/Renderer.kt
+++ b/src/main/kotlin/Renderer.kt
@@ -2,29 +2,38 @@ import kotlinx.browser.document
 import org.w3c.dom.CanvasRenderingContext2D
 import org.w3c.dom.HTMLCanvasElement
 
-class Renderer(val viewportWidth: Int, val viewportHeight: Int) {
+class Renderer(val viewportWidth: Int, val viewportHeight: Int, private val outputScale: Int) {
 
   private val canvas = (document.createElement("canvas") as HTMLCanvasElement)
     .apply {
-      width = viewportWidth
-      height = viewportHeight
+      width = viewportWidth * outputScale
+      height = viewportHeight * outputScale
     }
 
   private val context = canvas.getContext("2d") as CanvasRenderingContext2D
 
   init {
+    context.scale(outputScale.toDouble(), outputScale.toDouble())
     document.body!!.appendChild(canvas)
   }
 
-  fun drawLine(startX: Int, startY: Int, endX: Int, endY: Int, cssColour: String = "#FF0000") {
+  fun drawLine(startX: Double, startY: Double, endX: Double, endY: Double, cssColour: String = "#FF0000") {
     context.strokeStyle = cssColour
-    context.lineWidth = 4.0
+    context.lineWidth = 2.0
     context.beginPath()
-    context.moveTo(startX.toDouble(), startY.toDouble())
-    context.lineTo(endX.toDouble(), endY.toDouble())
+    context.moveTo(startX, startY)
+    context.lineTo(endX, endY)
     context.stroke()
   }
 
+  fun drawLine(startX: Int, startY: Double, endX: Int, endY: Double, cssColour: String = "#FF0000") {
+    drawLine(startX.toDouble(), startY, endX.toDouble(), endY, cssColour)
+  }
+
+  fun drawLine(startX: Int, startY: Double, endX: Int, endY: Int, cssColour: String = "#FF0000") {
+    drawLine(startX.toDouble(), startY, endX.toDouble(), endY.toDouble(), cssColour)
+  }
+
   fun clear() {
     context.clearRect(0.0, 0.0, viewportWidth.toDouble(), viewportHeight.toDouble())
   }
-- 
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