func highlightCorner(game *game.Game, window draw.Window) {
mx, my := window.MousePosition()
w, h := window.Size()
var position point
const radius = 40
const squareRadius = radius * radius
yOffset := 0
for y := 0; y < h; y += tileH - tileSlopeHeight {
for x := 0; x < w; x += tileW / 2 {
if squareDist(x, y+yOffset, mx, my) < squareRadius {
position = point{x, y + yOffset}
}
yOffset = tileSlopeHeight - yOffset
}
yOffset = tileSlopeHeight - yOffset
}
if position.x != 0 || position.y != 0 {
window.FillEllipse(
position.x-radius, position.y-radius,
2*radius, 2*radius,
draw.RGBA(1, 0, 0.5, 0.75))
}
}
func highlightEdge(game *game.Game, window draw.Window) {
mx, my := window.MousePosition()
for _, tile := range game.GetTiles() {
hex := hexagonAtTile(tile.Position.X, tile.Position.Y)
r := rect{hex[1].x - tileSlopeHeight/2, hex[1].y, tileSlopeHeight, hex[2].y - hex[1].y}
if r.contains(mx, my) {
window.FillRect(r.x, r.y, r.w, r.h, draw.RGBA(1.0, 0, 0.5, 0.75))
return
}
r = rect{hex[3].x, hex[2].y, hex[2].x - hex[3].x, hex[3].y - hex[2].y}
if r.contains(mx, my) {
window.FillRect(r.x, r.y, r.w, r.h, draw.RGBA(1.0, 0, 0.5, 0.75))
return
}
r = rect{hex[4].x, hex[4].y, hex[3].x - hex[4].x, hex[3].y - hex[4].y}
if r.contains(mx, my) {
window.FillRect(r.x, r.y, r.w, r.h, draw.RGBA(1.0, 0, 0.5, 0.75))
return
}
}
}