init

gamedata/shaders/d3d11/fluid_grid_dyn_oobb.vs.hlsl

@@ -0,0 +1,54 @@
+#include "fluid_common.hlsli"
+
+cbuffer DynOOBBData
+{
+    float3x4 WorldToLocal; //	World to local of fog volume
+    float3x4 LocalToWorld; //	Local of fog volume to world
+    float4 MassCenter; //	Center for angular velocity
+    float4 OOBBWorldAngularVelocity;
+    float4 OOBBWorldTranslationVelocity;
+}
+
+//	Vertex
+v2g_fluidsim_dyn_aabb main(v_fluidsim input)
+{
+    v2g_fluidsim_dyn_aabb output = (v2g_fluidsim_dyn_aabb)0;
+
+    output.pos = float4(input.position.x, input.position.y, input.position.z, 1.0);
+    output.cell0 = float3(input.textureCoords0.x, input.textureCoords0.y, input.textureCoords0.z);
+
+    output.velocity = 0;
+
+    {
+        output.velocity = OOBBWorldTranslationVelocity.xyz;
+
+        float3 r = mul(LocalToWorld, float4(output.cell0, 1)).xyz - MassCenter.xyz;
+
+        float3 AngularVel = cross(OOBBWorldAngularVelocity.xyz, r);
+
+        output.velocity += AngularVel;
+
+        output.velocity = mul((float3x3)WorldToLocal, output.velocity);
+    }
+
+    // for (int i = 0; i < 3; ++i)
+    // {
+        // output.clip0[i] = dot(float4(output.cell0, 1), OOBBClipPlane[i]);
+        // output.clip1[i] = dot(float4(output.cell0, 1), OOBBClipPlane[i + 3]);
+        // //	Make box a voxel bigger in each direction
+        // //	BOX_EXPANSION - voxel diagonal length
+        // // output.clip0[i] += BOX_EXPANSION;
+        // // output.clip1[i] += BOX_EXPANSION;
+    // }
+
+	output.clip0.x = dot(float4(output.cell0, 1), OOBBClipPlane[0]);
+	output.clip0.y = dot(float4(output.cell0, 1), OOBBClipPlane[1]);
+	output.clip0.z = dot(float4(output.cell0, 1), OOBBClipPlane[2]);
+	
+	output.clip1.x = dot(float4(output.cell0, 1), OOBBClipPlane[3]);
+	output.clip1.y = dot(float4(output.cell0, 1), OOBBClipPlane[4]);
+	output.clip1.z = dot(float4(output.cell0, 1), OOBBClipPlane[5]);
+
+    return output;
+}
+