func (this *Gradient) Interpolate(col *Color24, factor Double) {
factor = util.Clamp01(factor)
index = this.findIntervalIndexOfFactor(factor)
newfactor = this.projectFactorIntoInterval(factor, index)
a, b = this.colors[index], this.colors[index+1]
col.R = uint8(Double(a.R) + (Double(b.R)-Double(a.R))*newfactor)
col.G = uint8(Double(a.G) + (Double(b.G)-Double(a.G))*newfactor)
col.B = uint8(Double(a.B) + (Double(b.B)-Double(a.B))*newfactor)
}
func (this *Gradient) Interpolate(factor Double) *Color {
factor = util.Clamp01(factor)
var index = this.findIntervalIndexOfFactor(factor)
var newfactor = this.projectFactorIntoInterval(factor, index)
return this.colors[index].Interpolated(this.colors[index+1], newfactor)
}