40 lines
953 B
Lua
40 lines
953 B
Lua
function _init()
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init_data()
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init_sound()
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init_mapgen()
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init_player(32, 32)
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generate_map(0, 0)
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init_debug()
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end
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function _update()
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handle_input()
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handle_map_update()
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end
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function _draw()
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cls()
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-- the screen is 128x128 pixels, so it fits 16x16 sprites
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map(camera_pos_x, camera_pos_y, 0, 0, 16, 16)
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draw_player()
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debug_print()
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end
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-- decide whether we need to regenerate the map.
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-- if so, call generate_map appropriately and reset coordinates.
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function handle_map_update()
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if out_of_bounds(camera_pos_x, camera_pos_y) then
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-- out_of_bounds() checks all screen bounds
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-- we need to regenerate the map, so we generate a map chunk that
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-- places the player in the middle of it.
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generate_map(player_pos_x-32, player_pos_y-32)
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camera_pos_x, camera_pos_y = 24, 24
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end
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end
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function out_of_bounds(pos_x, pos_y)
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return pos_x < 0 or pos_x > 48 or
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pos_y < 0 or pos_y > 48
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end
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