Camera and outline rect functions

window.ts

@@ -4,7 +4,7 @@ import {
 	gl,
 } from "./deps.ts";
 export {mainloop} from "./deps.ts";
-import { palette } from "./colors.ts";
+import { COLOR, palette } from "./colors.ts";
 
 export const gameWindow = createWindow({
 	title: "Faux",
@@ -128,7 +128,12 @@ const allPixelColors = new Float32Array(
 	Array(pixelsPerRow*pixelsPerRow).fill(null).flatMap(() => c(1))
 )
 
-export const setPixelColor = (x: number, y: number, color: number) => {
+export const cameraPos = {
+	x: 0,
+	y: 0,
+}
+
+export const setPixelColorRaw = (x: number, y: number, color: number) => {
 	if (x < 0 || y < 0 || x > 127 || y > 127) {
 		return;
 	}
@@ -138,18 +143,33 @@ export const setPixelColor = (x: number, y: number, color: number) => {
 	}
 }
 
+export const setPixelColor = (x: number, y: number, color: number) => {
+	return setPixelColorRaw(x - cameraPos.x, y - cameraPos.y, color);
+}
+
 export const setPixelsInRect = (x: number, y: number, w: number, pixels: Array<number>) => {
 	for (let i = 0; i < pixels.length; i++) {
 		setPixelColor(x+i%w, y+Math.floor(i/w), pixels[i]);
 	}
 }
 
+export const setPixelsInRectRaw = (x: number, y: number, w: number, pixels: Array<number>) => {
+	for (let i = 0; i < pixels.length; i++) {
+		setPixelColorRaw(x+i%w, y+Math.floor(i/w), pixels[i]);
+	}
+}
+
 export const fillRect = (x: number, y: number, w: number, h: number, color: number) => {
 	setPixelsInRect(x, y, w, Array(w*h).fill(color));
 }
 
-export const clearScreen = () => {
-	allPixelColors.fill(0);
+export const fillRectRaw = (x: number, y: number, w: number, h: number, color: number) => {
+	setPixelsInRectRaw(x, y, w, Array(w*h).fill(color));
+}
+
+export const clearScreen = (color?: number) => {
+	fillRectRaw(0, 0, 128, 128, color ?? COLOR.BLACK);
+	// allPixelColors.fill(0);
 }
 
 export const frame = () => {