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Support zoom in Camera #1964

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Support zoom in Camera #1964

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8 changes: 7 additions & 1 deletion arcade/camera.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
import math
from typing import TYPE_CHECKING, List, Optional, Tuple, Union

from pyglet.math import Mat4, Vec2, Vec3
from pyglet.math import Mat4, Vec2, Vec3, Vec4

import arcade
from arcade.types import Point
Expand Down Expand Up @@ -552,6 +552,12 @@ def shake(self, velocity: Union[Vec2, tuple], speed: float = 1.5, damping: float
self.shake_damping = damping
self.shaking = True

def get_map_coordinates(self, camera_vector: Union[Vec2, tuple]) -> Vec2:
x, y = camera_vector
_x, _y = (x / self.viewport_width) * 2 - 1, (y / self.viewport_height) * 2 - 1
world_vector = ~(self._combined_matrix) @ Vec4(_x, _y, 1.0, 1.0)
return Vec2(world_vector.x, world_vector.y)

def use(self) -> None:
"""
Select this camera for use. Do this right before you draw.
Expand Down