24 lines
623 B
Scala
24 lines
623 B
Scala
$input a_position, i_data0
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$output v_texCoord
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/*
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* Copyright 2014 Stanlo Slasinski. All rights reserved.
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* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
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*/
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#include "../common/common.sh"
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#include "uniforms.sh"
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void main()
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{
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vec3 eye = mul(u_view, vec4(i_data0.xyz, 1.0) ).xyz;
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vec3 up = normalize(cross(eye, vec3(1.0, 0.0, 0.0) ) );
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vec3 right = normalize(cross(up, eye));
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float size = u_particleSize;
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vec3 position = eye + size * right * a_position.x + size * up * a_position.y;
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v_texCoord.xy = a_position;
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v_texCoord.z = i_data0.w;
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gl_Position = mul(u_proj, vec4(position, 1.0) );
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}
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