ameye
65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
// gradient layout
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function checkGradeient() {
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//gradient animations
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var colors = new Array(
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[62, 35, 255], [60, 255, 60], [255, 35, 98], [45, 175, 230], [255, 0, 255], [255, 128, 0]);
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var step = 0;
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//color table indices for:
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// current color left
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// next color left
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// current color right
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// next color right
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var colorIndices = [0, 1, 2, 3];
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//transition speed
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var gradientSpeed = 0.002;
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function updateGradient() {
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if ($ === undefined) return;
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var c0_0 = colors[colorIndices[0]];
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var c0_1 = colors[colorIndices[1]];
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var c1_0 = colors[colorIndices[2]];
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var c1_1 = colors[colorIndices[3]];
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var istep = 1 - step;
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var r1 = Math.round(istep * c0_0[0] + step * c0_1[0]);
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var g1 = Math.round(istep * c0_0[1] + step * c0_1[1]);
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var b1 = Math.round(istep * c0_0[2] + step * c0_1[2]);
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var color1 = "rgb(" + r1 + "," + g1 + "," + b1 + ")";
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var r2 = Math.round(istep * c1_0[0] + step * c1_1[0]);
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var g2 = Math.round(istep * c1_0[1] + step * c1_1[1]);
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var b2 = Math.round(istep * c1_0[2] + step * c1_1[2]);
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var color2 = "rgb(" + r2 + "," + g2 + "," + b2 + ")";
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$('#gradient').css({
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background: "-webkit-gradient(linear, left top, right top, from(" + color1 + "), to(" + color2 + "))"
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}).css({
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background: "-moz-linear-gradient(left, " + color1 + " 0%, " + color2 + " 100%)"
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});
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step += gradientSpeed;
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if (step >= 1) {
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step %= 1;
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colorIndices[0] = colorIndices[1];
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colorIndices[2] = colorIndices[3];
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//pick two new target color indices
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//do not pick the same as the current one
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colorIndices[1] = (colorIndices[1] + Math.floor(1 + Math.random() * (colors.length - 1))) % colors.length;
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colorIndices[3] = (colorIndices[3] + Math.floor(1 + Math.random() * (colors.length - 1))) % colors.length;
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}
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}
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setInterval(updateGradient, 10);
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}
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if ($("#gradient").length) {
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checkGradeient()
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} |