52 lines
1.2 KiB
Lua
52 lines
1.2 KiB
Lua
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ag.import("std")
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td = {mx = 0, my = 0, picking = false}
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function init_event()
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ground = std.createPlanePointNormal(0, 0, 0, 0, 0, 1)
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ground:setColor(0, 1, 0)
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grid_texture = ag.loadTexture("grid.png")
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grid = ag.createQuad(0, 0, 0, 8, 0, 0, 0, 8, 0)
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grid:setTexture(grid_texture)
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grid:setOffset(1)
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grid_selector = ag.createQuad(0, 0, 0, 0.5, 0, 0, 0, 0.5, 0)
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grid_selector:setVisible(false)
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grid_selector:setColor(0, 0, 1, 0.5)
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grid_selector:setBlending(true)
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grid_selector:setOffset(2)
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ag.setCamera(2, -12, 10)
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ag.setCursorVisible(true)
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end
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function key_down_event(k)
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if (k == "q") then
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ag.exit()
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end
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end
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function update_event()
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hit = ag.pickOne(td.mx, td.my, ground)
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if (hit) then
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local px = ground.pick_pos[1]
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local py = ground.pick_pos[2]
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local x_coord = math.floor(px + 8)
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local y_coord = math.floor(py + 8)
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td.picking = (x_coord >= 0 and x_coord <= 15 and y_coord >= 0 and y_coord <= 15)
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if (td.picking) then
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grid_selector:setPosition(x_coord - 7.5, y_coord - 7.5, 0)
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end
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end
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grid_selector:setVisible(td.picking)
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end
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function mouse_motion_event(x, y)
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td.mx = x
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td.my = y
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end
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