Files
GDevelop/Extensions/Effects/light-night-pixi-filter.js
2019-12-21 15:16:15 +01:00

41 lines
1.3 KiB
JavaScript

gdjs.LightNightPixiFilter = function() {
var vertexShader = null;
var fragmentShader = [
'precision mediump float;',
'',
'varying vec2 vTextureCoord;',
'uniform sampler2D uSampler;',
'uniform float opacity;',
'',
'void main(void)',
'{',
' mat3 nightMatrix = mat3(0.6, 0, 0, 0, 0.7, 0, 0, 0, 1.3);',
' gl_FragColor = texture2D(uSampler, vTextureCoord);',
' gl_FragColor.rgb = mix(gl_FragColor.rgb, nightMatrix * gl_FragColor.rgb, opacity);',
'}',
].join('\n');
var uniforms = {
opacity: { type: '1f', value: 1 },
};
PIXI.Filter.call(this, vertexShader, fragmentShader, uniforms);
};
gdjs.LightNightPixiFilter.prototype = Object.create(PIXI.Filter.prototype);
gdjs.LightNightPixiFilter.prototype.constructor = gdjs.LightNightPixiFilter;
gdjs.PixiFiltersTools.registerFilterCreator('LightNight', {
makePIXIFilter: function(layer, effectData) {
var filter = new gdjs.LightNightPixiFilter();
return filter;
},
update: function(filter, layer) {},
updateDoubleParameter: function(filter, parameterName, value) {
if (parameterName !== 'opacity') return;
filter.uniforms.opacity = gdjs.PixiFiltersTools.clampValue(value, 0, 1);
},
updateStringParameter: function(filter, parameterName, value) {},
updateBooleanParameter: function(filter, parameterName, value) {},
});