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Solutions for day 10.

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This commit is contained in:
Anna Rose Wiggins 2018-12-12 15:06:32 -05:00
parent e47b6c4a45
commit 28998c5d14
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GPG key ID: 8D9ACA841015C59A
4 changed files with 67 additions and 18 deletions
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17
2018/internal/day10/point.go
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@ -14,6 +14,16 @@ func (p *Point) Move() {
p.Y += p.Yv
}
func (p *Point) Reverse() {
p.X -= p.Xv
p.Y -= p.Yv
}
func CalculateRange(points []*Point) int {
xMin, xMax, yMin, yMax := findBounds(points)
return xMax - xMin + yMax - yMin
}
func DrawPoints(points []*Point) {
pointArr := makeBuffer(points)
@ -33,7 +43,11 @@ func DrawPoints(points []*Point) {
// findBounds returns xMin, xMax, yMin, and yMax from the provided points.
func findBounds(points []*Point) (int, int, int, int) {
// find min and max values
var xMin, xMax, yMin, yMax int
xMin := points[0].X
xMax := points[0].X
yMin := points[0].Y
yMax := points[0].Y
for _, point := range points {
if point.X < xMin {
xMin = point.X
@ -54,6 +68,7 @@ func findBounds(points []*Point) (int, int, int, int) {
func makeBuffer(points []*Point) [][]byte {
xMin, xMax, yMin, yMax := findBounds(points)
// get the total magnitude; we'll do adjustments later
xRange := xMax - xMin
yRange := yMax - yMin