mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 17:18:12 -05:00
85 lines
1.7 KiB
Text
85 lines
1.7 KiB
Text
uniform float _Fresnel;
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uniform float _SpecIntensity;
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varying vec3 inN;
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varying vec3 inE;
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float saturate (
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in float f_1
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)
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{
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float tmpvar_2;
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tmpvar_2 = min (1.0, f_1);
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float tmpvar_3;
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tmpvar_3 = max (0.0, tmpvar_2);
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return tmpvar_3;
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}
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float splineFresnel (
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in vec3 N_4,
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in vec3 E_5,
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in float specIntensity_6,
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in float fresnel_7
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)
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{
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vec2 t_8;
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vec3 p_9;
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float factor3_10;
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float factor_11;
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float tmpvar_12;
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tmpvar_12 = dot (N_4, E_5);
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float tmpvar_13;
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tmpvar_13 = saturate (tmpvar_12);
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float tmpvar_14;
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tmpvar_14 = (1.0 - tmpvar_13);
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factor_11 = tmpvar_14;
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float tmpvar_15;
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tmpvar_15 = ((factor_11 * factor_11) * factor_11);
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factor3_10 = tmpvar_15;
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vec3 tmpvar_16;
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tmpvar_16.x = 1.0;
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tmpvar_16.y = factor_11;
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tmpvar_16.z = factor3_10;
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vec3 tmpvar_17;
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tmpvar_17 = tmpvar_16;
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p_9 = tmpvar_17;
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vec2 tmpvar_18;
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tmpvar_18.x = (1.0 - fresnel_7);
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tmpvar_18.y = fresnel_7;
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vec2 tmpvar_19;
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tmpvar_19 = tmpvar_18;
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t_8 = tmpvar_19;
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float tmpvar_20;
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tmpvar_20 = dot (p_9.xy, t_8);
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float tmpvar_21;
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tmpvar_21 = tmpvar_20;
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p_9.x = tmpvar_21;
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float tmpvar_22;
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tmpvar_22 = dot (p_9.yz, t_8);
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float tmpvar_23;
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tmpvar_23 = tmpvar_22;
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p_9.y = vec2(tmpvar_23).y;
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float tmpvar_24;
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tmpvar_24 = dot (p_9.xy, t_8);
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float tmpvar_25;
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tmpvar_25 = (0.05 + (0.95 * tmpvar_24));
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factor_11 = tmpvar_25;
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float tmpvar_26;
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tmpvar_26 = (factor_11 * specIntensity_6);
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factor_11 = tmpvar_26;
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return factor_11;
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}
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void main ()
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{
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float f_27;
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float tmpvar_28;
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tmpvar_28 = splineFresnel (inN, inE, _SpecIntensity, _Fresnel);
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float tmpvar_29;
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tmpvar_29 = tmpvar_28;
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f_27 = tmpvar_29;
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vec4 tmpvar_30;
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tmpvar_30 = vec4(f_27);
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vec4 tmpvar_31;
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tmpvar_31 = tmpvar_30;
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gl_FragColor = tmpvar_31;
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}
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