wehub-resource-sync
41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
package ui
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import "strings"
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// renderColumns draws many thin single-character-wide columns, interpolating
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// between bands so adjacent columns vary slightly for a dense, organic look.
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func (v *Visualizer) renderColumns(bands []float64) string {
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height := v.Rows
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bandCount := len(bands)
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// Compute per-band column counts; cols below is a flat level per display column.
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bandCols := make([]int, bandCount)
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for b := range bandCount {
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bandCols[b] = visBandWidth(bandCount, b)
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}
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cols := interpolateBandColumns(bands, bandCols)
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lines := make([]string, height)
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for row := range height {
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var content strings.Builder
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rowBottom := float64(height-1-row) / float64(height)
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rowTop := float64(height-row) / float64(height)
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offset := 0
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for b := range bandCount {
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for c := range bandCols[b] {
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level := cols[offset+c]
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content.WriteString(fracBlock(level, rowBottom, rowTop))
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}
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offset += bandCols[b]
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if b < bandCount-1 {
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content.WriteByte(' ')
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}
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}
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lines[row] = specWrap(rowBottom, content.String())
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}
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return strings.Join(lines, "\n")
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}
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