51 lines
2.5 KiB
C#
51 lines
2.5 KiB
C#
using UnityEngine;
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namespace Obi
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{
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public class ComputeDistanceField
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{
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private ComputeShader shader;
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private int kernel;
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public ComputeDistanceField()
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{
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shader = GameObject.Instantiate(Resources.Load<ComputeShader>("Compute/DistanceFieldShape"));
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kernel = shader.FindKernel("GenerateContacts");
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}
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public void GenerateContacts(ComputeSolverImpl solver, ComputeColliderWorld world, float deltaTime)
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{
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if (world.distanceFieldHeaders != null)
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{
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shader.SetInt("maxContacts", ComputeColliderWorld.maxContacts);
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shader.SetInt("pointCount", solver.simplexCounts.pointCount);
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shader.SetInt("edgeCount", solver.simplexCounts.edgeCount);
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shader.SetInt("triangleCount", solver.simplexCounts.triangleCount);
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shader.SetInt("surfaceCollisionIterations", solver.abstraction.parameters.surfaceCollisionIterations);
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shader.SetFloat("surfaceCollisionTolerance", solver.abstraction.parameters.surfaceCollisionTolerance);
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shader.SetFloat("collisionMargin", solver.abstraction.parameters.collisionMargin);
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shader.SetFloat("deltaTime", deltaTime);
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shader.SetBuffer(kernel, "worldToSolver", solver.worldToSolverBuffer);
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shader.SetBuffer(kernel, "simplices", solver.simplices);
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shader.SetBuffer(kernel, "positions", solver.positionsBuffer);
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shader.SetBuffer(kernel, "orientations", solver.orientationsBuffer);
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shader.SetBuffer(kernel, "velocities", solver.velocitiesBuffer);
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shader.SetBuffer(kernel, "principalRadii", solver.principalRadiiBuffer);
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shader.SetBuffer(kernel, "transforms", world.transformsBuffer);
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shader.SetBuffer(kernel, "shapes", world.shapesBuffer);
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shader.SetBuffer(kernel, "contactPairs", world.contactPairs);
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shader.SetBuffer(kernel, "contactOffsetsPerType", world.contactOffsetsPerType);
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shader.SetBuffer(kernel, "contacts", solver.abstraction.colliderContacts.computeBuffer);
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shader.SetBuffer(kernel, "dispatchBuffer", world.dispatchBuffer);
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shader.SetBuffer(kernel, "distanceFieldHeaders", world.distanceFieldHeaders);
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shader.SetBuffer(kernel, "dfNodes", world.dfNodes);
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shader.DispatchIndirect(kernel, world.dispatchBuffer, 32 + 16 * (int)Oni.ShapeType.SignedDistanceField);
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}
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}
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}
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}
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