Unverified50% confidenceFactExact time
射线与球体的交点计算本质上是求解一元二次方程,判别式的正负决定射线是否与球体相交
1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen
Sources
在3D地球仪上实时协作作画:Paint the Earth开源实验解析
hackernewshackernews7/6/2026
Related Claims
Cite This Claim
Stable URI
https://kongchang.com/claim/184685API
curl https://kongchang.com/api/v1/knowledge/claims/184685MCP
get_claim(id=184685)