public static void SetupCameraInfo(Camera camera, float fov, float size, float nearClipFactor, float farClipFactor)
{
camera.fieldOfView = fov;
float adjustedDistance = LookingGlassUtil.GetAdjustedDistance(fov, size);
camera.nearClipPlane = adjustedDistance - nearClipFactor * size;
camera.farClipPlane = adjustedDistance + farClipFactor * size;
camera.transform.position = new Vector3(0, 0, -adjustedDistance);
camera.transform.localRotation = Quaternion.identity;
}
public static Vector4 GetVPMatrixOffsets(float aspect, float fov, float size, int view, int numViews)
{
float adjustedDistance = LookingGlassUtil.GetAdjustedDistance(fov, size);
float verticalAngle = 0.0f;
float horizontalAngle = AngleAtView(view, numViews);
float offsetX = adjustedDistance * Mathf.Tan(horizontalAngle * Mathf.Deg2Rad);
float offsetY = adjustedDistance * Mathf.Tan(verticalAngle * Mathf.Deg2Rad);
Vector4 result = new Vector4(offsetX, offsetY,
offsetX / (size * aspect), offsetY / size);
return(result);
}
private void DebugSetup(Camera camera, MaterialPropertyBlock materialPropertyBlock)
{
int tileNum = drawInfo.tileX * drawInfo.tileY;
Matrix4x4[] lookingView = new Matrix4x4[tileNum];
Matrix4x4[] lookingProjection = new Matrix4x4[tileNum];
Matrix4x4[] lookingVp = new Matrix4x4[tileNum];
int counter = 0;
for (int i = 0; i < drawInfo.tileY; ++i)
{
for (int j = 0; j < drawInfo.tileX; ++j)
{
Matrix4x4 projMatrix = camera.projectionMatrix;
Matrix4x4 viewMatrix = camera.worldToCameraMatrix;
float adjustedDistance = LookingGlassUtil.GetAdjustedDistance(perCameraInfo.fov, perCameraInfo.size);
float verticalAngle = 0.0f;
float horizontalAngle = LookingGlassUtil.AngleAtView(counter, tileNum);
float offsetX = adjustedDistance * Mathf.Tan(horizontalAngle * Mathf.Deg2Rad);
float offsetY = adjustedDistance * Mathf.Tan(verticalAngle * Mathf.Deg2Rad);
// view matrix
viewMatrix.m03 -= offsetX;
viewMatrix.m13 -= offsetY;
// proj matrix
projMatrix.m02 -= offsetX / (perCameraInfo.size * camera.aspect);
projMatrix.m12 -= offsetY / perCameraInfo.size;
lookingView[counter] = viewMatrix;
lookingProjection[counter] = projMatrix;
lookingVp[counter] = viewMatrix * projMatrix;
++counter;
}
}
materialPropertyBlock.SetMatrixArray("LookingView", lookingView);
materialPropertyBlock.SetMatrixArray("LookingProjection", lookingProjection);
materialPropertyBlock.SetMatrixArray("LookingVP", lookingVp);
}