glProgram:use()
glProgram:setUniformsForBuiltins()
local uniformCenter = gl.getUniformLocation(glProgram:getProgram(), “center”)
glProgram:setUniformLocationF32(uniformCenter, 100.2, 20.2)
这个设置没有任何效果
vsh 代码
attribute vec4 a_position;
attribute vec2 a_texCoord;
#ifdef GL_ES
varying mediump vec2 v_texCoord;
#else
varying vec2 v_texCoord;
#endif
uniform vec2 center;
void main()
{
mat4 bworld = mat4(1.0, 0.0, 0.0, 0.0,0.0, 1.0, 0.0, 0.0,0.0, 0.0, 1.0, 0.0,0.0, 0.0, 0.0, 1.0);
vec4 position1 = CC_PMatrix * a_position;
position1.x += center.x;
position1.y += center.y;
gl_Position = position1*bworld ;
v_texCoord = a_texCoord;
}