28 lines
501 B
Go
28 lines
501 B
Go
package level
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import (
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"git.kirsle.net/apps/doodle/render"
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)
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// Grid is a 2D grid of pixels in X,Y notation.
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type Grid map[*Pixel]interface{}
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// Exists returns true if the point exists on the grid.
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func (g *Grid) Exists(p *Pixel) bool {
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if _, ok := (*g)[p]; ok {
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return true
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}
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return false
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}
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// Draw the grid efficiently.
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func (g *Grid) Draw(e render.Engine) {
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for pixel := range *g {
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color := pixel.Swatch.Color
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e.DrawPoint(color, render.Point{
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X: pixel.X,
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Y: pixel.Y,
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})
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}
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}
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