31 lines
780 B
JavaScript
31 lines
780 B
JavaScript
function Mode_Drag()
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{
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Mode.call(this);
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this.name = "Drag";
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this.drag_from = null;
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this.mouse_down = function(event)
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{
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this.drag_from = new Position(event.clientX,event.clientY);
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}
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this.mouse_move = function(event)
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{
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if(this.drag_from == null){ return; }
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var offset_x = this.drag_from.x - event.clientX;
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var offset_y = this.drag_from.y - event.clientY;
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ronin.surface.style.left = ronin.surface.style.left ? parseInt(ronin.surface.style.left) - offset_x : offset_x;
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ronin.surface.style.top = ronin.surface.style.top ? parseInt(ronin.surface.style.top) - offset_y : offset_y;
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this.drag_from = new Position(event.clientX,event.clientY);
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}
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this.mouse_up = function(event)
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{
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this.drag_from = null;
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}
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} |