view: add simple input handlers

1 files changed, 5 insertions, 1 deletions

diff --git a/src/view/renderer/Renderer.ts b/src/view/renderer/Renderer.ts
index 9358515..a0ecf41 100644
--- a/src/view/renderer/Renderer.ts
+++ b/src/view/renderer/Renderer.ts
@@ -45,6 +45,10 @@ export default class Renderer {
 		return this.shaders.samplerLoc;
 	}
 
+	public setTranslation(v: Float32List) {
+		this.gl.uniform2fv(this.shaders.translateLoc, v);
+	}
+
 	private mkContext(): WebGLRenderingContext {
 		const gl = (
 			this.canvas.getContext('webgl') || this.canvas.getContext('experimental-webgl')
@@ -66,6 +70,6 @@ export default class Renderer {
 		mat4.scale(this.viewport, this.viewport, [2 * 64 / w, -2 * 64 / h, 1.0]);
 		this.gl.uniformMatrix4fv(this.shaders.viewportLoc, false, this.viewport);
 
-		this.gl.uniform2f(this.shaders.translateLoc, -5.0, -5.0);
+		this.setTranslation([-5, -5]);
 	}
 }