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#pragma once
#include <mbgl/shader/attributes.hpp>
#include <mbgl/util/geometry.hpp>
namespace mbgl {
struct CircleAttributes : gl::Attributes<
attributes::a_pos>
{
/*
* @param {number} x vertex position
* @param {number} y vertex position
* @param {number} ex extrude normal
* @param {number} ey extrude normal
*/
static Vertex vertex(Point<int16_t> p, float ex, float ey) {
return Vertex {
{
static_cast<int16_t>((p.x * 2) + ((ex + 1) / 2)),
static_cast<int16_t>((p.y * 2) + ((ey + 1) / 2))
}
};
}
};
using CircleVertex = CircleAttributes::Vertex;
static_assert(sizeof(CircleVertex) == 4, "expected CircleVertex size");
} // namespace mbgl
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