summaryrefslogtreecommitdiffstats
path: root/src/renderer/view/renderer/renderer.ts
diff options
context:
space:
mode:
authorMatthias Schiffer <mschiffer@universe-factory.net>2019-12-24 13:53:16 +0100
committerMatthias Schiffer <mschiffer@universe-factory.net>2019-12-24 13:53:16 +0100
commit3c51a1994f41b625823c4f15e92396b5498ce23c (patch)
tree7a96310ec32df82ac87039ea555300bcab510a5e /src/renderer/view/renderer/renderer.ts
parent33926af829848050c54c698ed22da9fe2b912aea (diff)
downloadrpgedit-3c51a1994f41b625823c4f15e92396b5498ce23c.tar
rpgedit-3c51a1994f41b625823c4f15e92396b5498ce23c.zip
Move renderer into "runtime" subdirectory
Diffstat (limited to 'src/renderer/view/renderer/renderer.ts')
-rw-r--r--src/renderer/view/renderer/renderer.ts100
1 files changed, 0 insertions, 100 deletions
diff --git a/src/renderer/view/renderer/renderer.ts b/src/renderer/view/renderer/renderer.ts
deleted file mode 100644
index 9f711d3..0000000
--- a/src/renderer/view/renderer/renderer.ts
+++ /dev/null
@@ -1,100 +0,0 @@
-import { nextPowerOf2 } from '../../util';
-import { Shaders } from './shaders';
-
-import { mat4, vec2 } from 'gl-matrix';
-
-export class Renderer {
- public readonly coordScale = 32;
- private readonly viewScale = 2;
-
- private readonly gl: WebGLRenderingContext;
- private readonly shaders: Shaders;
-
- private readonly center: vec2 = vec2.create();
- private readonly translation: vec2 = vec2.create();
- private readonly viewport: mat4 = mat4.create();
-
- constructor(private readonly canvas: HTMLCanvasElement) {
- this.gl = this.mkContext();
-
- this.shaders = new Shaders(this.gl);
-
- this.gl.clearColor(0.0, 0.0, 0.0, 1.0);
-
- this.gl.enable(this.gl.BLEND);
- this.gl.blendFunc(this.gl.ONE, this.gl.ONE_MINUS_SRC_ALPHA);
- this.gl.pixelStorei(this.gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 1);
- }
-
- public createBuffer(): WebGLBuffer {
- const ret = this.gl.createBuffer();
- if (!ret)
- throw new Error('unable to create buffer');
-
- return ret;
- }
-
- public getContext(): WebGLRenderingContext {
- return this.gl;
- }
-
- public getVertexPosLoc(): number {
- return this.shaders.vertexPosLoc;
- }
-
- public getTextureCoordLoc(): number {
- return this.shaders.textureCoordLoc;
- }
-
- public getSamplerLoc(): WebGLUniformLocation {
- return this.shaders.samplerLoc;
- }
-
- public setCenter(v: vec2|number[]) {
- this.snapToGrid(this.center, v);
- }
-
- public setTranslation(v: vec2|number[]) {
- vec2.sub(this.translation, v, this.center);
- this.snapToGrid(this.translation, this.translation);
- this.gl.uniform2fv(this.shaders.translateLoc, this.translation);
- }
-
- public clear(): void {
- this.gl.clear(this.gl.COLOR_BUFFER_BIT);
-
- this.setTranslation([0, 0]);
- }
-
- public snapToGrid(out: vec2, a: vec2|number[]): void {
- vec2.scale(out, a, this.coordScale);
- vec2.round(out, out);
- vec2.scale(out, out, 1 / this.coordScale);
- }
-
- public resize(): void {
- const w = this.canvas.width;
- const h = this.canvas.height;
- const ws = nextPowerOf2(w);
- const hs = nextPowerOf2(h);
-
- this.gl.viewport((w - ws) / 2, (h - hs) / 2, ws, hs);
- this.clear();
-
- const scale = this.viewScale * this.coordScale;
-
- mat4.identity(this.viewport);
- mat4.scale(this.viewport, this.viewport, [2 * scale / ws, -2 * scale / hs, 1.0]);
- this.gl.uniformMatrix4fv(this.shaders.viewportLoc, false, this.viewport);
- }
-
- private mkContext(): WebGLRenderingContext {
- const gl = (
- this.canvas.getContext('webgl') || this.canvas.getContext('experimental-webgl')
- );
- if (!gl)
- throw new Error('unable to initialize WebGL context');
-
- return gl;
- }
-}