本文整理汇总了C#中ShadingState.getU方法的典型用法代码示例。如果您正苦于以下问题：C# ShadingState.getU方法的具体用法？C# ShadingState.getU怎么用？C# ShadingState.getU使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ShadingState的用法示例。
在下文中一共展示了ShadingState.getU方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: prepareShadingState
public void prepareShadingState(ShadingState state)
{
state.init();
state.getRay().getPoint(state.getPoint());
Instance parent = state.getInstance();
Point3 localPoint = state.transformWorldToObject(state.getPoint());
float cx = state.getU();
float cy = state.getV();
float cz = state.getW();
state.getNormal().set(localPoint.x - cx, localPoint.y - cy, localPoint.z - cz);
state.getNormal().normalize();
float phi = (float) Math.Atan2(state.getNormal().y, state.getNormal().x);
if (phi < 0)
phi += (float)(2.0 * Math.PI);
float theta = (float) Math.Acos(state.getNormal().z);
state.getUV().y = theta / (float) Math.PI;
state.getUV().x = phi / (float) (2 * Math.PI);
Vector3 v = new Vector3();
v.x = -2 * (float) Math.PI * state.getNormal().y;
v.y = 2 * (float) Math.PI * state.getNormal().x;
v.z = 0;
state.setShader(parent.getShader(0));
state.setModifier(parent.getModifier(0));
// into world space
Vector3 worldNormal = state.transformNormalObjectToWorld(state.getNormal());
v = state.transformVectorObjectToWorld(v);
state.getNormal().set(worldNormal);
state.getNormal().normalize();
state.getGeoNormal().set(state.getNormal());
// compute basis in world space
state.setBasis(OrthoNormalBasis.makeFromWV(state.getNormal(), v));
}示例2: prepareShadingState
public void prepareShadingState(ShadingState state)
{
state.init();
Instance parent = state.getInstance();
int primID = state.getPrimitiveID();
float u = state.getU();
float v = state.getV();
float w = 1 - u - v;
// state.getRay().getPoint(state.getPoint());
int tri = 3 * primID;
int index0 = triangleMesh.triangles[tri + 0];
int index1 = triangleMesh.triangles[tri + 1];
int index2 = triangleMesh.triangles[tri + 2];
Point3 v0p = triangleMesh.getPoint(index0);
Point3 v1p = triangleMesh.getPoint(index1);
Point3 v2p = triangleMesh.getPoint(index2);
// get object space point from barycentric coordinates
state.getPoint().x = w * v0p.x + u * v1p.x + v * v2p.x;
state.getPoint().y = w * v0p.y + u * v1p.y + v * v2p.y;
state.getPoint().z = w * v0p.z + u * v1p.z + v * v2p.z;
// move into world space
state.getPoint().set(parent.transformObjectToWorld(state.getPoint()));
Vector3 ng = Point3.normal(v0p, v1p, v2p);
if (parent != null)
ng = parent.transformNormalObjectToWorld(ng);
ng.normalize();
state.getGeoNormal().set(ng);
switch (triangleMesh.normals.interp)
{
case ParameterList.InterpolationType.NONE:
case ParameterList.InterpolationType.FACE:
{
state.getNormal().set(ng);
break;
}
case ParameterList.InterpolationType.VERTEX:
{
int i30 = 3 * index0;
int i31 = 3 * index1;
int i32 = 3 * index2;
float[] normals = triangleMesh.normals.data;
state.getNormal().x = w * normals[i30 + 0] + u * normals[i31 + 0] + v * normals[i32 + 0];
state.getNormal().y = w * normals[i30 + 1] + u * normals[i31 + 1] + v * normals[i32 + 1];
state.getNormal().z = w * normals[i30 + 2] + u * normals[i31 + 2] + v * normals[i32 + 2];
if (parent != null)
state.getNormal().set(parent.transformNormalObjectToWorld(state.getNormal()));
state.getNormal().normalize();
break;
}
case ParameterList.InterpolationType.FACEVARYING:
{
int idx = 3 * tri;
float[] normals = triangleMesh.normals.data;
state.getNormal().x = w * normals[idx + 0] + u * normals[idx + 3] + v * normals[idx + 6];
state.getNormal().y = w * normals[idx + 1] + u * normals[idx + 4] + v * normals[idx + 7];
state.getNormal().z = w * normals[idx + 2] + u * normals[idx + 5] + v * normals[idx + 8];
if (parent != null)
state.getNormal().set(parent.transformNormalObjectToWorld(state.getNormal()));
state.getNormal().normalize();
break;
}
}
float uv00 = 0, uv01 = 0, uv10 = 0, uv11 = 0, uv20 = 0, uv21 = 0;
switch (triangleMesh.uvs.interp)
{
case ParameterList.InterpolationType.NONE:
case ParameterList.InterpolationType.FACE:
{
state.getUV().x = 0;
state.getUV().y = 0;
break;
}
case ParameterList.InterpolationType.VERTEX:
{
int i20 = 2 * index0;
int i21 = 2 * index1;
int i22 = 2 * index2;
float[] uvs = triangleMesh.uvs.data;
uv00 = uvs[i20 + 0];
uv01 = uvs[i20 + 1];
uv10 = uvs[i21 + 0];
uv11 = uvs[i21 + 1];
uv20 = uvs[i22 + 0];
uv21 = uvs[i22 + 1];
break;
}
case ParameterList.InterpolationType.FACEVARYING:
{
int idx = tri << 1;
float[] uvs = triangleMesh.uvs.data;
uv00 = uvs[idx + 0];
uv01 = uvs[idx + 1];
uv10 = uvs[idx + 2];
uv11 = uvs[idx + 3];
uv20 = uvs[idx + 4];
uv21 = uvs[idx + 5];
break;
}
//.........这里部分代码省略.........
示例3: prepareShadingState
public void prepareShadingState(ShadingState state)
{
state.init();
state.getRay().getPoint(state.getPoint());
Instance parent = state.getInstance();
float u = state.getU();
float v = state.getV();
float[] bu = bernstein(u);
float[] bdu = bernsteinDeriv(u);
float[] bv = bernstein(v);
float[] bdv = bernsteinDeriv(v);
getPatchPoint(u, v, patches[state.getPrimitiveID()], bu, bv, bdu, bdv, new Point3(), state.getNormal());
state.getNormal().set(parent.transformNormalObjectToWorld(state.getNormal()));
state.getNormal().normalize();
state.getGeoNormal().set(state.getNormal());
state.getUV().set(u, v);
state.setShader(parent.getShader(0));
state.setModifier(parent.getModifier(0));
// FIXME: use actual derivatives to create basis
state.setBasis(OrthoNormalBasis.makeFromW(state.getNormal()));
}