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72 lines
1.9 KiB
CoffeeScript
72 lines
1.9 KiB
CoffeeScript
class Scene
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constructor: (@engine, @name) ->
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@instances = {}
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@surfaces = []
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@dirty = true # Triggers first draw
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@last_instance_id = 100
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@active = false
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@width = 800
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@height = 600
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@last_width = 800
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@last_height
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addTargetSurface: (surface) =>
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@surfaces.push(surface)
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@engine.updateCanvasSize(surface, @width, @height)
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$(surface).on("mousemove.radium", (event) =>
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canvas_pos = surface.getBoundingClientRect()
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@mouse_x = Math.floor(event.clientX - canvas_pos.left)
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@mouse_y = Math.floor(event.clientY - canvas_pos.top)
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$("#debug").html("#{@mouse_x} / #{@mouse_y}")
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@checkMouseCollisions()
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)
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@checkActive()
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removeTargetSurface: (surface) =>
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@surfaces = @surfaces.filter (obj) -> obj isnt surface
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$(surface).off("mousemove.radium")
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@checkActive()
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checkActive: =>
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@active = (@surfaces.length > 0)
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iteration: =>
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if @width != @last_width or @height != @last_height
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@engine.updateCanvasSize(surface, @width, @height) for surface in @surfaces
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[@last_width, @last_height] = [@width, @height]
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for id, instance of @instances
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if instance.callEvent("step")
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@dirty = true
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if @dirty
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@redraw()
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@dirty = false
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redraw: =>
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for surface in @surfaces
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ctx = @engine.getSurface(surface)
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ctx.clearRect(0, 0, surface.width, surface.height);
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instance.callEvent("draw", {surface: surface}) for id, instance of @instances
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checkMouseCollisions: =>
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for id, instance of @instances
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instance.callEvent("mouseover") if instance.checkPointCollision(@mouseX, @mouseY)
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createInstance: (object, x = 0, y = 0) =>
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id = @last_instance_id += 1
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instance = window.Object.create(@engine.getObject(object))
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instance.x = x
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instance.y = y
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instance.id = id
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instance.scene = this
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@instances[id] = instance
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instance.callEvent("create")
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return instance
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changeScene: (scene) =>
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# This will change to a different scene, but inherit the target surfaces
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pass |