public static float4x4 ProjectionMatrixFromCamera(ref Camera camera) { if (camera.mode == ProjectionMode.Orthographic) { return(ProjectionHelper.ProjectionMatrixOrtho(camera.clipZNear, camera.clipZFar, camera.fov, camera.aspect)); } else { return(ProjectionHelper.ProjectionMatrixPerspective(camera.clipZNear, camera.clipZFar, camera.fov, camera.aspect)); } }
protected override void OnUpdate() { // add matrices component if needed Entities.WithNone <LightMatrices>().WithAll <Light>().ForEach((Entity e) => { EntityManager.AddComponent <LightMatrices>(e); }); // add frustum component if needed Entities.WithNone <Frustum>().WithAll <Light>().ForEach((Entity e) => { EntityManager.AddComponent <Frustum>(e); }); // update Entities.ForEach((ref Light c, ref LocalToWorld tx, ref LightMatrices m, ref SpotLight sl, ref Frustum f) => { // spot light m.projection = ProjectionHelper.ProjectionMatrixPerspective(c.clipZNear, c.clipZFar, sl.fov, 1.0f); m.view = math.inverse(tx.Value); m.mvp = math.mul(m.projection, m.view); ProjectionHelper.FrustumFromMatrices(m.projection, m.view, ref f); }); Entities.ForEach((ref Light c, ref LocalToWorld tx, ref LightMatrices m, ref DirectionalLight dr, ref Frustum f) => { // directional m.projection = ProjectionHelper.ProjectionMatrixOrtho(c.clipZNear, c.clipZFar, dr.size, 1.0f); m.view = math.inverse(tx.Value); m.mvp = math.mul(m.projection, m.view); ProjectionHelper.FrustumFromMatrices(m.projection, m.view, ref f); }); Entities.WithNone <DirectionalLight, SpotLight>().ForEach((ref Light c, ref LocalToWorld tx, ref LightMatrices m, ref Frustum f) => { // point m.projection = float4x4.identity; m.view = math.inverse(tx.Value); m.mvp = math.mul(m.projection, m.view); // build furstum from bounds ProjectionHelper.FrustumFromCube(tx.Value.c3.xyz, c.clipZFar, ref f); }); }
// gizmos for debuging protected override void OnUpdate() { RendererBGFXInstance *sys = World.GetExistingSystem <RendererBGFXSystem>().InstancePointer(); if (!sys->m_initialized) { return; } Dependency.Complete(); bgfx.Encoder *encoder = bgfx.encoder_begin(false); // tangents & normals Entities.WithoutBurst().WithAll <RenderToPasses>().ForEach((Entity e, ref MeshRenderer mr, ref LocalToWorld tx, ref GizmoNormalsAndTangents giz) => { RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; var pass = EntityManager.GetComponentData <RenderPass>(ePass); float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass); if (EntityManager.HasComponent <LitMeshRenderData>(mr.mesh)) { var meshBase = EntityManager.GetComponentData <LitMeshRenderData>(mr.mesh); Assert.IsTrue(giz.length > 0); float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h); SubmitHelper.EncodeDebugTangents(sys, encoder, pass.viewId, normWidth, giz.length, ref meshBase, ref tx.Value, ref pass.viewTransform, ref adjustedProjection); } } }).Run(); // object bounding box Entities.WithoutBurst().ForEach((Entity e, ref MeshRenderer mr, ref LocalToWorld tx, ref GizmoObjectBoundingBox giz) => { if (!EntityManager.HasComponent <RenderToPasses>(e)) { return; } AABB b = EntityManager.GetComponentData <MeshBounds>(mr.mesh).Bounds; RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; EncodeBox(sys, encoder, ePass, ref tx.Value, b.Min, b.Max, giz.width, giz.color); } }).Run(); // world bounds Entities.WithoutBurst().ForEach((Entity e, ref WorldBounds b, ref LocalToWorld tx, ref GizmoWorldBoundingBox giz) => { if (!EntityManager.HasComponent <RenderToPasses>(e)) { return; } RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); float4x4 idm = float4x4.identity; for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; var pass = EntityManager.GetComponentData <RenderPass>(ePass); float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass); float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h); for (int j = 0; j < Culling.EdgeTable.Length; j++) { float3 p0 = b.GetVertex(Culling.EdgeTable[j] & 7); float3 p1 = b.GetVertex(Culling.EdgeTable[j] >> 3); SubmitHelper.EncodeLine(sys, encoder, pass.viewId, p0, p1, giz.color, normWidth, ref idm, ref pass.viewTransform, ref adjustedProjection); } } }).Run(); // transform Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref GizmoTransform giz) => { if (!EntityManager.HasComponent <RenderToPasses>(e)) { return; } RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; var pass = EntityManager.GetComponentData <RenderPass>(ePass); float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass); float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h); Assert.IsTrue(giz.length > 0); SubmitHelper.EncodeLine(sys, encoder, pass.viewId, new float3(0), new float3(giz.length, 0, 0), new float4(1, 0, 0, 1), normWidth, ref tx.Value, ref pass.viewTransform, ref adjustedProjection); SubmitHelper.EncodeLine(sys, encoder, pass.viewId, new float3(0), new float3(0, giz.length, 0), new float4(0, 1, 0, 1), normWidth, ref tx.Value, ref pass.viewTransform, ref adjustedProjection); SubmitHelper.EncodeLine(sys, encoder, pass.viewId, new float3(0), new float3(0, 0, giz.length), new float4(0, 0, 1, 1), normWidth, ref tx.Value, ref pass.viewTransform, ref adjustedProjection); } }).Run(); // sphere Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref WorldBoundingSphere bs, ref GizmoBoundingSphere giz) => { if (!EntityManager.HasComponent <RenderToPasses>(e)) { return; } RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); float4x4 idm = float4x4.identity; for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; var pass = EntityManager.GetComponentData <RenderPass>(ePass); float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass); float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h); Assert.IsTrue(giz.subdiv >= 4); Circle(sys, encoder, pass.viewId, bs.position, new float3(0, 0, 1), new float3(0, 1, 0), bs.radius, giz.subdiv, new float4(1, 0, 0, 1), normWidth, ref idm, ref pass.viewTransform, ref adjustedProjection); // z/y plane Circle(sys, encoder, pass.viewId, bs.position, new float3(1, 0, 0), new float3(0, 0, 1), bs.radius, giz.subdiv, new float4(0, 1, 0, 1), normWidth, ref idm, ref pass.viewTransform, ref adjustedProjection); // x/z plane Circle(sys, encoder, pass.viewId, bs.position, new float3(0, 1, 0), new float3(1, 0, 0), bs.radius, giz.subdiv, new float4(0, 0, 1, 1), normWidth, ref idm, ref pass.viewTransform, ref adjustedProjection); // y/x plane } }).Run(); // spot lights Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref Light l, ref SpotLight sl, ref GizmoLight giz) => { if (!EntityManager.HasComponent <RenderToPasses>(e)) { return; } RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); float4 color = giz.overrideColor ? giz.color : new float4(l.color, 1.0f); for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; var pass = EntityManager.GetComponentData <RenderPass>(ePass); float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h); float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass); // render frustum float t = math.tan(math.radians(sl.fov) * .5f); for (int j = 0; j < Culling.EdgeTable.Length; j++) { float3 pp0 = ProjectionHelper.FrustumVertexPerspective(Culling.EdgeTable[j] & 7, t, t, l.clipZNear, l.clipZFar); float3 pp1 = ProjectionHelper.FrustumVertexPerspective(Culling.EdgeTable[j] >> 3, t, t, l.clipZNear, l.clipZFar); SubmitHelper.EncodeLine(sys, encoder, pass.viewId, pp0, pp1, color, normWidth, ref tx.Value, ref pass.viewTransform, ref adjustedProjection); } } }).Run(); // directional lights Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref Light l, ref DirectionalLight dl, ref GizmoLight giz) => { if (!EntityManager.HasComponent <RenderToPasses>(e)) { return; } RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); float4 color = giz.overrideColor ? giz.color : new float4(l.color, 1.0f); float3 cMin = new float3(-1, -1, l.clipZNear); float3 cMax = new float3(1, 1, l.clipZFar); for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; EncodeBox(sys, encoder, ePass, ref tx.Value, cMin, cMax, giz.width, color); } }).Run(); // point lights // cameras Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref Camera cam, ref GizmoCamera giz) => { if (!EntityManager.HasComponent <RenderToPasses>(e)) { return; } RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; var pass = EntityManager.GetComponentData <RenderPass>(ePass); float2 normWidth = new float2(giz.width / pass.viewport.w, giz.width / pass.viewport.h); float4x4 adjustedProjection = sys->GetAdjustedProjection(ref pass); // render box if (cam.mode == ProjectionMode.Orthographic) { float3 cMin = new float3(-cam.fov, -cam.fov, cam.clipZNear); float3 cMax = new float3(cam.fov, cam.fov, cam.clipZFar); EncodeBox(sys, encoder, ePass, ref tx.Value, cMin, cMax, giz.width, giz.color); } else if (cam.mode == ProjectionMode.Perspective) { float h = math.tan(math.radians(cam.fov) * .5f); float w = h * cam.aspect; for (int j = 0; j < Culling.EdgeTable.Length; j++) { float3 pp0 = ProjectionHelper.FrustumVertexPerspective(Culling.EdgeTable[j] & 7, w, h, cam.clipZNear, cam.clipZFar); float3 pp1 = ProjectionHelper.FrustumVertexPerspective(Culling.EdgeTable[j] >> 3, w, h, cam.clipZNear, cam.clipZFar); SubmitHelper.EncodeLine(sys, encoder, pass.viewId, pp0, pp1, giz.color, normWidth, ref tx.Value, ref pass.viewTransform, ref adjustedProjection); } } } }).Run(); // auto bounds Entities.WithoutBurst().ForEach((Entity e, ref LocalToWorld tx, ref AutoMovingDirectionalLight amd, ref GizmoAutoMovingDirectionalLight giz) => { if (!EntityManager.HasComponent <RenderToPasses>(e)) { return; } RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); float4x4 idm = float4x4.identity; for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; EncodeBox(sys, encoder, ePass, ref idm, amd.bounds.Min, amd.bounds.Max, giz.width, giz.colorCasters); EncodeBox(sys, encoder, ePass, ref idm, amd.boundsClipped.Min, amd.boundsClipped.Max, giz.width, giz.colorClippedReceivers); } }).Run(); // debug display textures as overlays Entities.WithoutBurst().ForEach((Entity e, ref TextureBGFX tex, ref GizmoDebugOverlayTexture giz) => { if (!EntityManager.HasComponent <RenderToPasses>(e)) { return; } RenderToPasses toPassesRef = EntityManager.GetSharedComponentData <RenderToPasses>(e); DynamicBuffer <RenderToPassesEntry> toPasses = EntityManager.GetBufferRO <RenderToPassesEntry>(toPassesRef.e); float4x4 m = float4x4.identity; m.c3.xy = giz.pos; m.c0.x = giz.size.x; m.c1.y = giz.size.y; SimpleMaterialBGFX sm = new SimpleMaterialBGFX { texAlbedoOpacity = tex.handle, constAlbedo_Opacity = giz.color, mainTextureScaleTranslate = new float4(1, 1, 0, 0), state = (ulong)bgfx.StateFlags.WriteRgb }; for (int i = 0; i < toPasses.Length; i++) { Entity ePass = toPasses[i].e; var pass = EntityManager.GetComponentData <RenderPass>(ePass); SubmitHelper.EncodeSimpleMesh(sys, encoder, pass.viewId, ref sys->m_quadMesh, ref m, ref sm, 0, 6, pass.GetFlipCulling(), 0); } }).Run(); bgfx.encoder_end(encoder); }
static void FrustumFromCamera(ref CameraMatrices cm, ref Frustum dest) { ProjectionHelper.FrustumFromMatrices(cm.projection, cm.view, ref dest); }