draft of eyes (1a093a8b) · Commits · blackheaven / tinygraphs

draw/spaceinvaders/spaceinvaders.go

+106 −4

Original line number	Diff line number	Diff line
		package spaceinvaders

		import (
		"encoding/hex"
		"image/color"
		"log"
		"math"
		"net/http"
		"strconv"

		"github.com/ajstarks/svgo"
		"github.com/taironas/tinygraphs/draw"
		)

		type invader struct {
		legs int
		arms int
		anthenas int
		height int
		lenght int
		eyes int
		}

		func SpaceInvaders(w http.ResponseWriter, key string, colors []color.RGBA, size int) {
		canvas := svg.New(w)
		canvas.Start(size, size)

		squares := 6
		invader := newInvader(key)
		log.Println(invader)
		squares := 11
		quadrantSize := size / squares
		middle := math.Ceil(float64(squares) / float64(2))
		colorMap := make(map[int]color.RGBA)
		@@ -23,17 +36,106 @@ func SpaceInvaders(w http.ResponseWriter, key string, colors []color.RGBA, size

		for xQ := 0; xQ < squares; xQ++ {
		x := xQ * quadrantSize
		fill := fillWhite()
		if _, ok := colorMap[xQ]; !ok {
		if float64(xQ) < middle {
		colorMap[xQ] = draw.PickColor(key, colors, xQ+3*yQ)
		colorMap[xQ] = draw.PickColor(key, colors, xQ+2*yQ)
		} else if xQ < squares {
		colorMap[xQ] = colorMap[squares-xQ-1]
		} else {
		colorMap[xQ] = colorMap[0]
		}
		}
		canvas.Rect(x, y, quadrantSize, quadrantSize, draw.FillFromRGBA(colorMap[xQ]))
		// todo(santiago): needs refactor.
		if yQ == 5 {
		if invader.eyes == 1 {
		if xQ == 5 {
		fill = fillBlack()
		}
		} else if invader.eyes == 2 {
		if xQ == 4 \|\| xQ == 6 {
		fill = fillBlack()
		}
		} else if invader.eyes == 3 {
		if xQ == 5 \|\| xQ == 3 \|\| xQ == 7 {
		fill = fillBlack()
		}
		} else if invader.eyes == 4 {
		if xQ == 2 \|\| xQ == 4 \|\| xQ == 6 \|\| xQ == 8 {
		fill = fillBlack()
		}
		}
		}

		canvas.Rect(x, y, quadrantSize, quadrantSize, fill) //draw.FillFromRGBA(colorMap[xQ]))
		}
		}
		canvas.End()
		}

		// key is a 16 md5 hash
		func newInvader(key string) invader {
		invader := invader{}
		var s string

		s = hex.EncodeToString([]byte{key[0]})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		invader.legs = int(val%3) + 2
		} else {
		invader.legs = 3
		}

		s = hex.EncodeToString([]byte{key[1]})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		invader.arms = int(val%3) + 2
		} else {
		invader.arms = 2
		}

		s = hex.EncodeToString([]byte{key[2]})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		invader.anthenas = int(val%2) + 1
		} else {
		invader.anthenas = 2
		}

		s = hex.EncodeToString([]byte{key[3]})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		if val < 7 {
		invader.height = 8
		} else {
		invader.height = 8
		}
		} else {
		invader.height = 8
		}

		s = hex.EncodeToString([]byte{key[4]})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		invader.lenght = int(val%5) + 2
		} else {
		invader.lenght = 5
		}

		s = hex.EncodeToString([]byte{key[4]})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		if val > 5 && val < 1 {
		invader.eyes = 2
		} else {
		invader.eyes = int(val%3) + 1
		}
		} else {
		invader.eyes = 2
		}

		return invader
		}

		func fillWhite() string {
		return "stroke:black;stroke-width:2;fill:rgb(255,255,255)"
		}

		func fillBlack() string {
		return "stroke:black;stroke-width:2;fill:rgb(0,0,0)"

		}