着色器程序无法在Cocos2d 2.2 Obj.C iOS 12中工作

Question

代码：

[lightRender beginWithClear:0 g:0 b:0 a:0];
self.shaderProgram = [[CCShaderCache sharedShaderCache] programForKey:kCCShader_PositionColor];
CC_NODE_DRAW_SETUP();
CGPoint vertices[3];
ccColor4F colors[3];
CGPoint mid = BODY_POSITION(cursor.body);
float radius = LIGHT_RANGE * lightRadius;             // - (CCRANDOM_0_1() * LIGHT_RANGE * .015);
float initialAlpha = .7f;
for (int i = 0; i < LIGHT_PRECISION; i++)
{
int nVertices = 0;
float angle = 2*M_PI/LIGHT_PRECISION * i;
float nextAngle = 2*M_PI/LIGHT_PRECISION * (i+1);
int n = i + 1;
if (n == LIGHT_PRECISION)
n = 0;
vertices[nVertices] = ccpAdd(mid, ccp(cosf(angle) * radius * lightLength[i], sinf(angle) * radius * lightLength[i]));
colors[nVertices++] = (ccColor4F){1, 1, .9, initialAlpha * (1 - lightLength[i])};
vertices[nVertices] = ccpAdd(mid, ccp(cosf(nextAngle) * radius * lightLength[n], sinf(nextAngle) * radius * lightLength[n]));
colors[nVertices++] = (ccColor4F){1, 1, .9, initialAlpha * (1 - lightLength[n])};
vertices[nVertices] = mid;
colors[nVertices++] = (ccColor4F){1, 1, .8, initialAlpha};
ccGLEnableVertexAttribs(kCCVertexAttribFlag_Position  | kCCVertexAttribFlag_Color);
glVertexAttribPointer(kCCVertexAttrib_Position, 2, GL_FLOAT, GL_FALSE, 0, vertices);
glVertexAttribPointer(kCCVertexAttrib_Color, 4, GL_FLOAT, GL_FALSE, 0, colors);
glBlendFunc(CC_BLEND_SRC, CC_BLEND_DST);
glDrawArrays(GL_TRIANGLE_STRIP, 0, (GLsizei)nVertices);
}
[lightRender end];

CC_NODE_DRAW_SETUP代码：

#define CC_NODE_DRAW_SETUP()                                                                    
do {                                                                                            
ccGLEnable( _glServerState );                                                               
NSAssert1(_shaderProgram, @"No shader program set for node: %@", self);                     
[_shaderProgram use];                                                                       
[_shaderProgram setUniformsForBuiltins];                                    
} while(0)

如何修复iOS12中的着色器代码与Cocos2d2.2Obj.C项目？如果我在iOS 7模拟器中运行，它会非常完美。。相同的代码在iOS 12 中不起作用

Answer 1

修复了Cocos2d中的着色器问题。

在上面的代码中，主要问题是CGFloat。。。将其转换为所有顶点的浮动。

此外，我还从Cocos2d-x中获取了与着色器相关的文件，并将其转换为Cocos2d的obj.C。

现在所有着色器都在Cocos2d v2.2 Obj.C iOS 12、iPhone X/XR/XSMax中完美工作。。

快乐编码！干杯：)