38 lines
775 B
Go
38 lines
775 B
Go
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//go:build example
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// +build example
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package main
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import (
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"fmt"
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"log"
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"github.com/DrJosh9000/ichigo/geom"
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)
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func main() {
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// Put your own points here!
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points := []geom.Float2{
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{X: -7, Y: -2},
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{X: -5, Y: 1},
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{X: -3, Y: 0},
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{X: -2, Y: -3},
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{X: 0, Y: 2},
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{X: 1, Y: -5},
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{X: 3, Y: -2},
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{X: 4, Y: 4},
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}
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linear := &geom.LinearSpline{Points: points}
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if err := linear.Prepare(); err != nil {
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log.Fatalf("linear.Prepare() = %v, want nil", err)
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}
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cubic := &geom.CubicSpline{Points: points}
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if err := cubic.Prepare(); err != nil {
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log.Fatalf("cubic.Prepare() = %v, want nil", err)
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}
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// Produce interpolated points in CSV-like form.
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for x := -8.0; x < 8.0; x += 0.1 {
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fmt.Printf("%f,%f,%f\n", x, linear.Interpolate(x), cubic.Interpolate(x))
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}
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}
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