File: panzoom.glsl

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python-vispy 0.6.6-3
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// ----------------------------------------------------------------------------
// Copyright (c) 2014, Nicolas P. Rougier. All Rights Reserved.
// Distributed under the (new) BSD License.
// ----------------------------------------------------------------------------
uniform vec2 panzoom_scale;
uniform vec2 panzoom_translate;
vec4 panzoom(vec4 position)
{
    return vec4(panzoom_scale*position.xy + panzoom_translate, position.z, 1.0);
}