63 lines
1.7 KiB
Lua
63 lines
1.7 KiB
Lua
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local freecam = {}
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local min = math.min
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local max = math.max
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freecam.camera = nil
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freecam.speed = 30
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local vx = 0.0
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local vy = 0.0
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local vz = 0.0
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local cam_rot_x = 0.0
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local cam_rot_y = 0.0
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function freecam.init_camera()
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freecam.camera = couch.Camera()
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freecam.camera:MakeCurrent()
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end
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function freecam.update_camera(delta)
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local camera_transform = freecam.camera:GetTransform()
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local move_vec = couch.Vector3()
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move_vec = camera_transform.position + camera_transform:Forward() * delta * vz * freecam.speed
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move_vec = move_vec + camera_transform:Right() * delta * vx * freecam.speed
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move_vec = move_vec + camera_transform:Up() * delta * vy * freecam.speed
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camera_transform.position = move_vec
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camera_transform.rotation.y = camera_transform.rotation.y - cam_rot_x * delta
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cam_rot_x = 0.0
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camera_transform.rotation.x = camera_transform.rotation.x - cam_rot_y * delta
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camera_transform.rotation.x = min(max(camera_transform.rotation.x, -3.14 / 2.0), 3.13 / 2.0)
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cam_rot_y = 0.0
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freecam.camera:SetTransform(camera_transform)
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end
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function action_dir(key, action, pos, neg, curr)
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if key == pos and action == couch.ACTION_PRESS then
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return 1.0
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elseif key == neg and action == couch.ACTION_PRESS then
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return -1.0
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elseif (key == pos or key == neg) and action == couch.ACTION_RELEASE then
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return 0.0
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else
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return curr
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end
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end
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function freecam.onkey(key, code, action, mod)
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vz = action_dir(key, action, couch.KEY_W, couch.KEY_S, vz)
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vx = action_dir(key, action, couch.KEY_D, couch.KEY_A, vx)
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vy = action_dir(key, action, couch.KEY_SPACE, couch.KEY_LEFT_CONTROL, vy)
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end
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function freecam.onmousemotion(relx, rely)
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cam_rot_x = relx
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cam_rot_y = rely
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end
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return freecam
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