Function lerp

examples/js/processing.js:5815–5815

(t,a,b)

      }

      function lerp(t,a,b) { return a + t * (b - a); }

      this.noise3d = function(x, y, z) {
        var X = Math.floor(x)&255, Y = Math.floor(y)&255, Z = Math.floor(z)&255;