wehub-resource-sync
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package ui
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import "strings"
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// renderBinary draws streaming columns of 0s and 1s that scroll at speeds
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// proportional to each band's energy. Higher energy produces more 1s (active
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// data) and brighter coloring, creating a raw data-stream aesthetic.
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func (v *Visualizer) renderBinary(bands []float64) string {
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height := v.Rows
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lines := make([]string, height)
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bandCount := len(bands)
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for row := range height {
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var sb, run strings.Builder
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tag := -1
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col := 0
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for b := range bandCount {
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w := visBandWidth(bandCount, b)
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for range w {
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energy := bands[b]
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// Scroll speed per column: higher energy = faster data flow.
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speed := max(1, 4-int(energy*3))
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scroll := int(v.frame) / speed
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// Bit value from position hash (time-independent; scroll creates motion).
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h := scatterHash(b, row+scroll, col, 0)
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oneProb := energy*0.6 + 0.15
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var ch byte
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if h < oneProb {
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ch = '1'
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} else {
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ch = '0'
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}
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// 1s on high-energy bands glow bright; 0s stay dim.
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var newTag int
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if ch == '1' && energy > 0.4 {
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newTag = 2
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} else if ch == '1' || energy > 0.3 {
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newTag = 1
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} else {
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newTag = 0
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}
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if newTag != tag {
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flushStyleRun(&sb, &run, tag)
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tag = newTag
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}
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run.WriteByte(ch)
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col++
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}
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if b < bandCount-1 {
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if tag != -1 {
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flushStyleRun(&sb, &run, tag)
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tag = -1
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}
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run.WriteByte(' ')
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col++
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}
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}
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flushStyleRun(&sb, &run, tag)
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lines[row] = sb.String()
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}
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return strings.Join(lines, "\n")
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}
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