Created
March 25, 2021 14:42
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Isometric Tiles in Lua
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| -- Drawing the map as isometric tiles | |
| self.tilesHovered = {} -- Reset the tilesHovered table every frame | |
| for i = 1, #self.map do -- Loop trough rows | |
| for j = 1, #self.map[i] do -- Loop through cols in the rows | |
| if self.map[i][j] ~= 0 then -- If there is a tile to draw | |
| local x = | |
| self.x + -- Starting point | |
| (j * ((self.tileWidth / 2) * self.scale)) - -- The width on rows | |
| (i * ((self.tileWidth / 2) * self.scale)) -- The width on cols | |
| local y = | |
| self.y + | |
| (i * ((self.tileHeight / 4) * self.scale)) + -- The height on rows | |
| (j * ((self.tileHeight / 4) * self.scale)) -- The width on cols | |
| -- Take the height map into account | |
| local y = y - self.mapheight[i][j] * 8 | |
| -- Draw the tiles | |
| love.graphics.draw(self.tilesheet, self.tiles[self.map[i][j]], | |
| x, y, | |
| 0, | |
| self.scale, | |
| self.scale | |
| ) | |
| if self.tmx > x and -- Hitbox between mouse and tile | |
| self.tmx < x + self.tileWidth * self.scale and | |
| self.tmy > y + self.tileHeight / 2 and | |
| self.tmy < y + self.tileHeight * self.scale then | |
| -- Add the tile to tiles hovered, if mouse is on top of it | |
| table.insert(self.tilesHovered, {i, j, x, y}) | |
| end | |
| end | |
| end | |
| end |
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Scale is just some value used to scale the images in size (e.g. a 32x32px image being drawn as 64x64px)
Map and Mapheight should be tables with values 1 .. n as entries, where n are the amount of quads in self.tiles.
Line 25-30 is just collision between mouse and the tiles.