29 lines
505 B
Go
29 lines
505 B
Go
package frame
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import (
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"image"
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"math/rand"
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)
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// RandomPoint returns a random image position within the specified range.
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func RandomPoint(xMin, yMin, xMax, yMax int) image.Point {
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if xMin == 0 && yMin == 0 && xMax == 0 && yMax == 0 {
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return image.Pt(0, 0)
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}
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if xMin > xMax {
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xMin = xMax
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}
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xDiff := float64(xMax - xMin)
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x := xMin + int(rand.Float64()*xDiff)
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if yMin > yMax {
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yMin = yMax
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}
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yDiff := float64(yMax - yMin)
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y := yMin + int(rand.Float64()*yDiff)
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return image.Pt(x, y)
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}
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