114 lines
3.0 KiB
JavaScript
114 lines
3.0 KiB
JavaScript
class Visual {
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constructor() {
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this.data = []; //for drawing
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this.dataArray = [];
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this.name = "Default";
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}
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updateData() {
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}
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updateFFT(fftSize) {
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}
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draw() {
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}
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setup() {
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}
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}
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class VisualDrawer {
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constructor() {
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this.visuals = {
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//"sphere": new Sphere(),
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"wave": new Wave(),
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"wave2d": new Wave2D(),
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//"water": new Water()
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}
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this.lastMainColor = {
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base: '#-1',
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color: [0, 0, 0]
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};
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this.lastSecondColor = {
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base: '#-1',
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color: [0, 0, 0]
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}
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}
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init() {
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this.switch(pConf.get("visual", "wave2d"));
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this.updateLoop();
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}
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switch(visual) {
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if (this.visuals[visual] != null) {
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this.c = visual;
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vConf.loadConfigByName(this.c);
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this.visuals[this.c].setup();
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pConf.set("visual", this.c);
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pConf.save();
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}
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}
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updateLoop() {
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let self = this;
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let vis = self.visuals[self.c];
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let pro = shaderHandler.use(self.c);
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this.updateSeekbar();
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this.prepare(pro);
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vis.updateData();
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vis.draw(pro);
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requestAnimationFrame(self.updateLoop.bind(self))
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}
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updateSeekbar() {
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cInfo.width = window.innerWidth;
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cInfo.height = window.innerHeight;
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let audioFile = audioHandler.audioFile;
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ctx.clearRect(0, 0, cInfo.width, cInfo.height);
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if (!audioFile.paused && pConf.get("showSeekbar", true)) {
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//show seekbar
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let dur = audioFile.duration,
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cur = audioFile.currentTime,
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percent = cur / dur * cInfo.width;
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ctx.fillStyle = pConf.get("seekColor", '#fff');
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ctx.fillRect(0, c.height - 10, percent, c.height);
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}
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}
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prepare(pro) {
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c.width = window.innerWidth;
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c.height = window.innerHeight;
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gl.viewport(0, 0, gl.canvas.width, gl.canvas.height);
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gl.clearColor(0, 0, 0, parseFloat(pConf.get("alphaValue", 0)));
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gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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gl.enable(gl.DEPTH_TEST);
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gl.depthFunc(gl.LEQUAL);
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gl.enable(gl.CULL_FACE);
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// u_baseColor || u_maxColor
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this.setColor(pro);
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}
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setColor(program) {
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let baseColor = gl.getUniformLocation(program, "u_baseColor"),
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maxColor = gl.getUniformLocation(program, "u_maxColor"),
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self = this,
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mainColor = self.lastMainColor,
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secondColor = self.lastSecondColor;
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this.updateColor('lastMainColor', 'baseColor');
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this.updateColor('lastSecondColor', 'gradientToColor');
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gl.uniform3fv(baseColor, mainColor.color);
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gl.uniform3fv(maxColor, secondColor.color);
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}
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updateColor(index, col) {
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let color = this[index],
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value = vConf.get(col, '#ffffff')
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if(value !== color.base) {
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color.color = hexToRgb(value);
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color.base = value;
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}
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}
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} |