mirror of
https://github.com/cyberarm/i-mic-fps.git
synced 2025-12-15 15:42:35 +00:00
91 lines
2.7 KiB
Ruby
91 lines
2.7 KiB
Ruby
class IMICFPS
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class CameraController
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include CommonMethods
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def initialize(mode: :fpv, camera:, entity:)
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# :fpv - First Person View
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# :tpv - Third Person View
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@mode = mode
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@camera = camera
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@entity = entity
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@distance = 4
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@origin_distance = @distance
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@constant_pitch = 0
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window.mouse_x, window.mouse_y = window.width / 2, window.height / 2
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@true_mouse = Point.new(window.width / 2, window.height / 2)
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@mouse_sensitivity = 20.0 # Less is faster, more is slower
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@mouse_captured = true
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@mouse_checked = 0
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end
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def distance_from_object
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@distance
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end
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def horizontal_distance_from_object
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distance_from_object * Math.cos(@constant_pitch)
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end
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def vertical_distance_from_object
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distance_from_object * Math.sin(@constant_pitch)
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end
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def position_camera
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if defined?(@entity.first_person_view)
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if @entity.first_person_view
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@distance = 0
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else
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@distance = @origin_distance
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end
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end
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x_offset = horizontal_distance_from_object * Math.sin(@entity.orientation.y.degrees_to_radians)
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z_offset = horizontal_distance_from_object * Math.cos(@entity.orientation.y.degrees_to_radians)
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eye_height = @entity.bounding_box.max.y
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@camera.position.x = @entity.position.x - x_offset
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@camera.position.y = @entity.position.y + eye_height
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@camera.position.z = @entity.position.z - z_offset
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@camera.orientation.y = 180 - @entity.orientation.y
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end
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def update
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position_camera
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if @mouse_captured
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delta = Float(@true_mouse.x - self.mouse_x) / (@mouse_sensitivity * @camera.field_of_view) * 70
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@camera.orientation.y -= delta
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@camera.orientation.y %= 360.0
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@camera.orientation.x -= Float(@true_mouse.y - window.mouse_y) / (@mouse_sensitivity * @camera.field_of_view) * 70
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@camera.orientation.x = @camera.orientation.x.clamp(-90.0, 90.0)
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@entity.orientation.y += delta
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@entity.orientation.y %= 360.0
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window.mouse_x = window.width / 2 if window.mouse_x <= 1 || window.mouse_x >= window.width-1
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window.mouse_y = window.height / 2 if window.mouse_y <= 1 || window.mouse_y >= window.height-1
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@true_mouse.x, @true_mouse.y = window.mouse_x, window.mouse_y
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end
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end
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def button_down(id)
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case id
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when Gosu::KB_LEFT_ALT, Gosu::KB_RIGHT_ALT
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@mouse_captured = false
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window.needs_cursor = true
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when Gosu::MS_LEFT, Gosu::MS_MIDDLE, Gosu::MS_RIGHT
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@mouse_captured = true
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window.needs_cursor = false
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end
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end
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def button_up(id); end
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end
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end
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