Turánszki János
86c748ed98
* added inner cone angle to spotlights * refactors * different shader entity packing * KHR_lights_punctual * features.txt * spot cutoff * seri * fixes * update * angularAttenuation mad * refactor * attenuation refactors
42 lines
1.4 KiB
HLSL
42 lines
1.4 KiB
HLSL
#include "globals.hlsli"
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struct PSIn
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{
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float4 pos : SV_POSITION;
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float4 pos3D : TEXCOORD0;
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float4 pos2D : TEXCOORD1;
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};
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float4 main(PSIn input) : SV_TARGET
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{
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uint forceFieldID = GetFrame().forcefieldarray_offset + (uint)g_xColor.w;
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ShaderEntity forceField = load_entity(forceFieldID);
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float4 color = forceField.GetGravity() < 0 ? float4(0, 0, 1, 1) : float4(1, 0, 0, 1);
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if (forceField.GetType() == ENTITY_TYPE_FORCEFIELD_POINT)
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{
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// point-like forcefield:
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float3 centerToPos = normalize(input.pos3D.xyz - forceField.position.xyz);
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float3 eyeToCenter = normalize(forceField.position.xyz - g_xColor.xyz);
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color.a *= pow(saturate(dot(centerToPos, eyeToCenter)), 1.0f / max(0.0001f, abs(forceField.GetGravity())));
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}
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else
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{
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// planar forcefield:
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float3 dir = forceField.position - input.pos3D.xyz;
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float dist = dot(forceField.GetDirection(), dir);
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color.a *= pow(1 - saturate(dist / forceField.GetRange()), 1.0f / max(0.0001f, abs(forceField.GetGravity())));
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}
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float2 pTex = input.pos2D.xy / input.pos2D.w * float2(0.5f, -0.5f) + 0.5f;
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float4 depthScene = texture_lineardepth.GatherRed(sampler_linear_clamp, pTex) * GetCamera().z_far;
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float depthFragment = input.pos2D.w;
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float fade = saturate(1.0 / forceField.GetRange() * abs(forceField.GetGravity()) * (max(max(depthScene.x, depthScene.y), max(depthScene.z, depthScene.w)) - depthFragment));
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color.a *= fade;
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color.a = saturate(color.a * 0.78f);
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return color;
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}
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