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PirateTreasureHunt
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Optimized grid tile rendering

master
Martin Felis 2021-06-17 23:07:57 +02:00
parent 083877e216
commit 0194d73345
1 changed files with 34 additions and 10 deletions
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44
scenes/World.gd
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@ -1,11 +1,12 @@
extends Node2D
onready var HexTile = get_node("HexTile")
onready var HexGridDrawer = get_node("HexGridDrawer")
onready var WorldCamera = get_node("Camera")
onready var OffsetValueLabel = get_node("UI/TopContainer/OffsetValue")
onready var ZoomValueLabel = get_node("UI/TopContainer/ZoomValue")
onready var HexCoordValueLabel = get_node("UI/TopContainer/HexCoordValue")
onready var PlayerChar = get_node("PlayerChar")
onready var FPSValueLabel = get_node("UI/TopContainer/FPSValue")
var HexGrid = preload("../thirdparty/gdhexgrid/HexGrid.gd").new()
@ -20,22 +21,35 @@ var target = Vector2()
# Called when the node enters the scene tree for the first time.
func _ready():
HexGrid.hex_scale = Vector2(hex_size, hex_size)
HexTile.hex_scale = Vector2(hex_size, hex_size)
# Set player starting position
PlayerChar.position = HexGrid.get_hex_center(Vector2(0,0))
HexGridDrawer.hex_scale = Vector2(hex_size, hex_size)
func _draw():
for r in range(hex_grid_bbox[0][0], hex_grid_bbox[1][0]):
for c in range(hex_grid_bbox[0][1], hex_grid_bbox[1][1]):
var coords = HexGrid.get_hex_center(Vector2(r,c))
draw_set_transform(coords, 0, Vector2.ONE)
draw_polygon (HexTile.HexPoints, HexTile.HexColors[HexTile.TileType.None])
draw_polyline(HexTile.HexPoints, "#888", 1 * WorldCamera.zoom.x)
var view_grid_corners = calc_grid_view_rect()
var tl_tile_coords = HexGrid.get_hex_center(view_grid_corners[0])
var tr_tile_coords = HexGrid.get_hex_center(view_grid_corners[1])
var bl_tile_coords = HexGrid.get_hex_center(view_grid_corners[2])
var br_tile_coords = HexGrid.get_hex_center(view_grid_corners[3])
print (tl_tile_coords, bl_tile_coords)
var nc = ceil ((tr_tile_coords[0] - tl_tile_coords[0]) * 1.5 / hex_size)
var nr = ceil ((bl_tile_coords[1] - tr_tile_coords[1]) / hex_size) + 2
for c in range (nc):
var dx = 0.75 * hex_size * c
var dy = (c % 2) * sqrt(3) * 0.25 * hex_size #(c % 2) * sqrt(3) * hex_size * 0.75
for r in range (nr):
draw_set_transform(tl_tile_coords + Vector2(dx, r * hex_size * sqrt(3) * 0.5 + dy), 0, Vector2.ONE)
draw_polygon (HexGridDrawer.HexPoints, HexGridDrawer.HexColors[HexGridDrawer.TileType.None])
draw_polyline(HexGridDrawer.HexPoints, "#888", 1 * WorldCamera.zoom.x)
var coords = HexGrid.get_hex_center (hex_hover)
draw_set_transform(coords, 0, Vector2.ONE)
draw_polyline(HexTile.HexPoints, "#f00", 2 * WorldCamera.zoom.x)
draw_polyline(HexGridDrawer.HexPoints, "#f00", 2 * WorldCamera.zoom.x)
func screen_to_world(pos: Vector2):
pos = pos - OS.get_window_safe_area().size * 0.5
@ -47,6 +61,16 @@ func screen_to_hex(pos: Vector2):
func world_to_screen(pos: Vector2):
return pos * WorldCamera.zoom + WorldCamera.offset
func calc_grid_view_rect():
var view_tl = Vector2(-hex_size,-hex_size)
var view_br = OS.get_window_safe_area().size - view_tl
var top_left = screen_to_hex (view_tl)
var top_right = screen_to_hex (Vector2(view_br.x, view_tl.y))
var bottom_left = screen_to_hex (Vector2(view_tl.x, view_br.y))
var bottom_right = screen_to_hex (view_br)
return [top_left, top_right, bottom_left, bottom_right]
func _unhandled_input(event):
if event is InputEventMouseButton:
# Move main character
@ -54,7 +78,7 @@ func _unhandled_input(event):
PlayerChar.target = HexGrid.get_hex_center(screen_to_hex(event.position))
# Move camera
if event.pressed and event.button_index == 3:
if event.pressed and event.button_index == 2:
is_dragging = true
drag_start = (WorldCamera.offset / WorldCamera.zoom.x + event.position)
else: