mdx-m3-viewer
Version:
A browser WebGL model viewer. Mainly focused on models of the games Warcraft 3 and Starcraft 2.
56 lines • 2.78 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const geometryemitterfuncs_1 = require("./geometryemitterfuncs");
/**
* A group of emitters that are going to be rendered together.
*/
class EmitterGroup {
constructor(model) {
this.objects = [];
this.model = model;
}
render(instance) {
const scene = instance.scene;
const nodes = instance.nodes;
const model = instance.model;
const viewer = model.viewer;
const gl = viewer.gl;
const instancedArrays = viewer.webgl.extensions['ANGLE_instanced_arrays'];
const mdxCache = viewer.sharedCache.get('mdx');
const shader = mdxCache.particlesShader;
const uniforms = shader.uniforms;
const attribs = shader.attribs;
const rectBuffer = mdxCache.rectBuffer;
gl.depthMask(false);
gl.enable(gl.BLEND);
gl.disable(gl.CULL_FACE);
gl.enable(gl.DEPTH_TEST);
shader.use();
gl.uniformMatrix4fv(uniforms['u_VP'], false, scene.camera.viewProjectionMatrix);
gl.uniform1i(uniforms['u_texture'], 0);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_position'], 0);
gl.bindBuffer(gl.ARRAY_BUFFER, rectBuffer);
gl.vertexAttribPointer(attribs['a_position'], 1, gl.UNSIGNED_BYTE, false, 0, 0);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_p0'], 1);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_p1'], 1);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_p2'], 1);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_p3'], 1);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_health'], 1);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_color'], 1);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_tail'], 1);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_leftRightTop'], 1);
for (const index of this.objects) {
(0, geometryemitterfuncs_1.renderEmitter)(nodes[index].object, shader);
}
instancedArrays.vertexAttribDivisorANGLE(attribs['a_leftRightTop'], 0);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_tail'], 0);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_color'], 0);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_health'], 0);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_p3'], 0);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_p2'], 0);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_p1'], 0);
instancedArrays.vertexAttribDivisorANGLE(attribs['a_p0'], 0);
}
}
exports.default = EmitterGroup;
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