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How would you link a screen pinch gesture to manipulating a PhotoDome fovMultiplier property?

I'm working on a project where on mobile version you can use two fingers to zoom in and out, pan and rotate a rectangle. How would that work on a desktop or laptop computer with a mouse? Any suggestions?

Hi all, First of all, I would like to congrat the Pixi team for its amazing framework! I am currently working on a bulge/pinch filter like the one presented here : https://github.com/GoodBoyDigital/glfx.js/blob/master/src/filters/warp/bulgepinch.js. I am trying to adapt the glfx filter to the v3 pixi engine but I am not so much experimented with javascript and as3 to well understand what I am doing. I based my conversion following your work on the dotscreen filter you already adapt for that library and here I am so far... https://jsfiddle.net/aqvtw5yw/ PIXI.filters.AbstractFilter.call(this, // vertex shader null, // fragment shader [ 'precision mediump float;', 'uniform vec2 center;', 'uniform float radius;', 'uniform float strength;', 'void main() {', 'vec2 coord = center;', 'float distance = length(coord);', 'if (distance < radius) {', 'float percent = distance / radius;', 'if (strength > 0.0) {', 'coord *= mix(1.0, smoothstep(0.0, radius / distance, percent), strength * 0.75);', '} else {', 'coord *= mix(1.0, pow(percent, 1.0 + strength * 0.75) * radius / distance, 1.0 - percent);', '}', '}', '}' ].join('\n'), // custom uniforms { radius: {type: '1f', value:10}, strength: {type: '1f', value:5}, center: {type: '2fv', value:[100,100]} }); Something is not working, no error shown in the console, I am a bit lost I would like to reproduce exactly the same so if someone here could help me a bit to accomplish my goal, it would be awsome! Thanks for your help