学习手绘效果图应该需要哪些准备知识和基本功要求

vghfggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg

速写啊~~最重要了~~很练线条的~~~

透视，速写，色彩，多临摹，

首先是要掌握好透视关系，还有线条及色彩的感觉，线条可能画不直，先用尺子画，关键是要多加练习，练的多了很自然的就会画出来了