Colorless texture in 3D model

@mikemd wrote:

My model renders okay but the pikachu is totally black Image may be NSFW.
Clik here to view. !
Image may be NSFW.
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48 PM1023×760 5.64 KB

The relevant code is here:
github.com
averagehat/c_o_n_j_u_r/blob/troubleshooting/src/ofApp.cpp#L170-L217
if (use3D) {
  time = ofGetElapsedTimef();	//Get time in seconds
  fbo.begin();
  effectShaderInput = true;
    if (lightTiedToCamera) {
      camera.begin();
      if (lightOn) light.enable();
     }
    else {
      if (lightOn) light.enable();
      camera.begin();
        }
        
    ofClear(0, 0, 0, 255);
    ofBackground(255);
    modelShader.begin();
    camera.setDistance(cameraDistance);
    modelShader.setUniform1f( "size", 0);
    modelShader.setUniform1f( "twistFactor", 0 );
    modelShader.setUniform1i( "lightingEnabled", lightOn );
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The shaders I am using:
github.com
averagehat/c_o_n_j_u_r/blob/troubleshooting/bin/data/3D/base3.vert
#version 150

in vec4 position;
in vec3 normal;
in vec2 texcoord;

out vec2 v_texcoord;
out vec3 v_normal;

uniform float size;
uniform float twistFactor;

uniform mat4 viewMatrix;
uniform mat4 modelMatrix;
uniform mat4 projectionMatrix;
uniform mat4 modelViewProjectionMatrix;

mat4 rotationAroundY(float angle) {
    return mat4(cos(angle), 0.0, -sin(angle), 0.0,
                0.0,        1.0,  0.0,        0.0,
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github.com
averagehat/c_o_n_j_u_r/blob/troubleshooting/bin/data/3D/base3.frag
#version 150

in vec2 v_texcoord;
in vec3 v_normal;

out vec4 fragColor;

uniform sampler2D tex0;
uniform vec3 lightColor;
uniform bool lightingEnabled;

void main() {
    vec3 color = texture(tex0, v_texcoord).rgb;
    
    // Directional light
    vec3 lightDirection = vec3(1.0, 1.0, -3.0);
    
    // The light intensity is proportional to the angle between the incoming light and the surface normal
    float intensity = dot(normalize(v_normal), normalize(lightDirection));
    intensity = clamp(intensity, 0.0, 1.0);
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I have tried disabling/enabling lights, different shaders, many other things, nothing works. I’m really just trying to get a minimal example working. (Once I get that working, I would like to have the whole 3D scene processed by another fragment shader–how can I do that?)

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Colorless texture in 3D model

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