package blocks import ( "github.com/hajimehoshi/ebiten/graphics" "github.com/hajimehoshi/ebiten/graphics/matrix" "image/color" ) func init() { texturePaths["font"] = "images/blocks/font.png" } const charWidth = 8 const charHeight = 8 func textWidth(str string) int { return charWidth * len(str) } func drawText(context graphics.Context, textures *Textures, str string, x, y, scale int, clr color.Color) { fontTextureId := textures.GetTexture("font") parts := []graphics.TexturePart{} locationX := 0 locationY := 0 for _, c := range str { if c == '\n' { locationX = 0 locationY += charHeight continue } code := int(c) x := (code % 16) * charWidth y := ((code - 32) / 16) * charHeight parts = append(parts, graphics.TexturePart{ LocationX: locationX, LocationY: locationY, Source: graphics.Rect{x, y, charWidth, charHeight}, }) locationX += charWidth } geoMat := matrix.GeometryI() geoMat.Scale(float64(scale), float64(scale)) geoMat.Translate(float64(x), float64(y)) clrMat := matrix.ColorI() clrMat.Scale(clr) context.Texture(fontTextureId).Draw(parts, geoMat, clrMat) } func drawTextWithShadow(context graphics.Context, textures *Textures, str string, x, y, scale int, clr color.Color) { drawText(context, textures, str, x+1, y+1, scale, color.RGBA{0, 0, 0, 0x80}) drawText(context, textures, str, x, y, scale, clr) }