Optimized grid tile rendering
parent
083877e216
commit
0194d73345
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@ -1,11 +1,12 @@
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extends Node2D
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onready var HexTile = get_node("HexTile")
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onready var HexGridDrawer = get_node("HexGridDrawer")
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onready var WorldCamera = get_node("Camera")
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onready var OffsetValueLabel = get_node("UI/TopContainer/OffsetValue")
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onready var ZoomValueLabel = get_node("UI/TopContainer/ZoomValue")
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onready var HexCoordValueLabel = get_node("UI/TopContainer/HexCoordValue")
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onready var PlayerChar = get_node("PlayerChar")
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onready var FPSValueLabel = get_node("UI/TopContainer/FPSValue")
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var HexGrid = preload("../thirdparty/gdhexgrid/HexGrid.gd").new()
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@ -20,22 +21,35 @@ var target = Vector2()
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# Called when the node enters the scene tree for the first time.
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func _ready():
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HexGrid.hex_scale = Vector2(hex_size, hex_size)
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HexTile.hex_scale = Vector2(hex_size, hex_size)
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# Set player starting position
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PlayerChar.position = HexGrid.get_hex_center(Vector2(0,0))
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HexGridDrawer.hex_scale = Vector2(hex_size, hex_size)
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func _draw():
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for r in range(hex_grid_bbox[0][0], hex_grid_bbox[1][0]):
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for c in range(hex_grid_bbox[0][1], hex_grid_bbox[1][1]):
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var coords = HexGrid.get_hex_center(Vector2(r,c))
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draw_set_transform(coords, 0, Vector2.ONE)
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draw_polygon (HexTile.HexPoints, HexTile.HexColors[HexTile.TileType.None])
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draw_polyline(HexTile.HexPoints, "#888", 1 * WorldCamera.zoom.x)
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var view_grid_corners = calc_grid_view_rect()
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var tl_tile_coords = HexGrid.get_hex_center(view_grid_corners[0])
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var tr_tile_coords = HexGrid.get_hex_center(view_grid_corners[1])
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var bl_tile_coords = HexGrid.get_hex_center(view_grid_corners[2])
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var br_tile_coords = HexGrid.get_hex_center(view_grid_corners[3])
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print (tl_tile_coords, bl_tile_coords)
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var nc = ceil ((tr_tile_coords[0] - tl_tile_coords[0]) * 1.5 / hex_size)
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var nr = ceil ((bl_tile_coords[1] - tr_tile_coords[1]) / hex_size) + 2
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for c in range (nc):
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var dx = 0.75 * hex_size * c
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var dy = (c % 2) * sqrt(3) * 0.25 * hex_size #(c % 2) * sqrt(3) * hex_size * 0.75
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for r in range (nr):
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draw_set_transform(tl_tile_coords + Vector2(dx, r * hex_size * sqrt(3) * 0.5 + dy), 0, Vector2.ONE)
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draw_polygon (HexGridDrawer.HexPoints, HexGridDrawer.HexColors[HexGridDrawer.TileType.None])
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draw_polyline(HexGridDrawer.HexPoints, "#888", 1 * WorldCamera.zoom.x)
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var coords = HexGrid.get_hex_center (hex_hover)
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draw_set_transform(coords, 0, Vector2.ONE)
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draw_polyline(HexTile.HexPoints, "#f00", 2 * WorldCamera.zoom.x)
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draw_polyline(HexGridDrawer.HexPoints, "#f00", 2 * WorldCamera.zoom.x)
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func screen_to_world(pos: Vector2):
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pos = pos - OS.get_window_safe_area().size * 0.5
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@ -47,6 +61,16 @@ func screen_to_hex(pos: Vector2):
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func world_to_screen(pos: Vector2):
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return pos * WorldCamera.zoom + WorldCamera.offset
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func calc_grid_view_rect():
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var view_tl = Vector2(-hex_size,-hex_size)
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var view_br = OS.get_window_safe_area().size - view_tl
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var top_left = screen_to_hex (view_tl)
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var top_right = screen_to_hex (Vector2(view_br.x, view_tl.y))
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var bottom_left = screen_to_hex (Vector2(view_tl.x, view_br.y))
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var bottom_right = screen_to_hex (view_br)
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return [top_left, top_right, bottom_left, bottom_right]
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func _unhandled_input(event):
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if event is InputEventMouseButton:
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# Move main character
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@ -54,7 +78,7 @@ func _unhandled_input(event):
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PlayerChar.target = HexGrid.get_hex_center(screen_to_hex(event.position))
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# Move camera
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if event.pressed and event.button_index == 3:
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if event.pressed and event.button_index == 2:
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is_dragging = true
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drag_start = (WorldCamera.offset / WorldCamera.zoom.x + event.position)
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else:
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