add invader.go file #33 (050073b0) · Commits · blackheaven / tinygraphs

draw/spaceinvaders/invader.go

0 → 100644

+139 −0

Original line number	Diff line number	Diff line
		package spaceinvaders

		import (
		"encoding/hex"
		"strconv"
		)

		type invader struct {
		legs int
		foot bool
		arms int
		armsUp bool
		anthenas int
		height int
		length int
		eyes int
		armSize int
		anthenaSize int
		}

		// newInvader returns a invader type built from key which is a 16 md5 hash.
		func newInvader(key string) invader {
		invader := invader{}

		invader.legs = LegsFromKey(key[0])
		invader.arms = ArmsFromKey(key[1])
		invader.anthenas = AnthenasFromKey(key[2])
		invader.length = LengthFromKey(key[3])
		invader.height = HeightFromKey(key[5])
		invader.eyes = EyesFromKey(key[6])
		invader.foot = HasFootFromKey(key[7])
		invader.armsUp = HasArmsUpFromKey(key[8])
		invader.armSize = ArmSizeFromKey(key[9])
		invader.anthenaSize = AnthenaSizeFromKey(key[10])

		return invader
		}

		func LegsFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		return int(val%3) + 2
		}
		return 3
		}

		func ArmsFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		v := int(val % 3)
		if v%2 != 0 {
		v++
		return v
		}
		}
		return 2
		}

		func AnthenasFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		return int(val % 4)
		}
		return 2
		}

		func LengthFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		v := int(val % 8)
		if v < 4 {
		return 5
		}
		return v
		}
		return 7
		}

		func HeightFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		v := int(val % 10)
		if v < 6 {
		v = 6
		}
		return v
		}
		return 6
		}

		func EyesFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		var v int
		if val > 5 && val < 1 {
		v = 2
		} else {
		v = int(val%3) + 1
		}
		return v
		}
		return 2
		}

		func HasFootFromKey(c uint8) bool {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		return val%2 == 0
		}
		return true
		}

		func HasArmsUpFromKey(c uint8) bool {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		return val%2 == 0
		}
		return true
		}

		func ArmSizeFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		if val%2 != 0 {
		return 3
		}
		}
		return 2
		}

		func AnthenaSizeFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		if val%2 == 0 {
		return 1
		}
		}
		return 2
		}

draw/spaceinvaders/spaceinvaders.go

+0 −136

Original line number	Diff line number	Diff line
		package spaceinvaders

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

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

		type invader struct {
		legs int
		foot bool
		arms int
		armsUp bool
		anthenas int
		height int
		length int
		eyes int
		armSize int
		anthenaSize int
		}

		func SpaceInvaders(w http.ResponseWriter, key string, colors []color.RGBA, size int) {
		canvas := svg.New(w)
		canvas.Start(size, size)
		@@ -422,127 +407,6 @@ func SpaceInvaders(w http.ResponseWriter, key string, colors []color.RGBA, size
		canvas.End()
		}

		// newInvader returns a invader type built from key which is a 16 md5 hash.
		func newInvader(key string) invader {
		invader := invader{}
		var s string

		invader.legs = LegsFromKey(key[0])
		invader.arms = ArmsFromKey(key[1])
		invader.anthenas = AnthenasFromKey(key[2])
		invader.length = LengthFromKey(key[3])
		invader.height = HeightFromKey(key[5])
		invader.eyes = EyesFromKey(key[6])
		invader.foot = HasFootFromKey(key[7])
		invader.armsUp = HasArmsUpFromKey(key[8])
		invader.armSize = ArmSizeFromKey(key[9])

		s = hex.EncodeToString([]byte{key[9]})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		if val%2 == 0 {
		invader.anthenaSize = 1
		} else {
		invader.anthenaSize = 2
		}
		} else {
		invader.foot = true
		}

		return invader
		}

		func LegsFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		return int(val%3) + 2
		}
		return 3
		}

		func ArmsFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		v := int(val % 3)
		if v%2 != 0 {
		v++
		return v
		}
		}
		return 2
		}

		func AnthenasFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		return int(val % 4)
		}
		return 2
		}

		func LengthFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		v := int(val % 8)
		if v < 4 {
		return 5
		}
		return v
		}
		return 7
		}

		func HeightFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		v := int(val % 10)
		if v < 6 {
		v = 6
		}
		return v
		}
		return 6
		}

		func EyesFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		var v int
		if val > 5 && val < 1 {
		v = 2
		} else {
		v = int(val%3) + 1
		}
		return v
		}
		return 2
		}

		func HasFootFromKey(c uint8) bool {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		return val%2 == 0
		}
		return true
		}

		func HasArmsUpFromKey(c uint8) bool {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		return val%2 == 0
		}
		return true
		}

		func ArmSizeFromKey(c uint8) int {
		s := hex.EncodeToString([]byte{c})
		if val, err := strconv.ParseInt(s, 16, 0); err == nil {
		if val%2 != 0 {
		return 3
		}
		}
		return 2
		}

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