add light and change shader

FinalProject/fragmentshader.fs

@@ -5,9 +5,11 @@ in vec2 TexCoords;
 
 uniform sampler2D texture_diffuse1;
 uniform sampler2D texture_specular1;
+uniform vec3 lightColor;
 
 void main()
 {    
     FragColor = texture(texture_specular1, TexCoords);
     FragColor = texture(texture_diffuse1, TexCoords);
+    FragColor = vec4(FragColor * vec4(lightColor,1.0f));
 }

FinalProject/lightCaster.cpp

@@ -0,0 +1,2 @@
+#include"lightCaster.h"
+

FinalProject/lightCaster.h

@@ -1 +1,10 @@
 #pragma once
+#include"shader.h"
+
+// 发光物不需要纹理，所以说需要另外的shader
+// 在sceneviewer中被包含
+class LightCaster {
+public:
+    LightCaster() {};
+
+};

FinalProject/sceneviewer.cpp

@@ -87,6 +87,13 @@ void SceneViewer::paintGL() {
     glm::mat4 projection = glm::perspective(glm::radians(_camera.zoomVal()), (float)width() / (float)height(), 0.1f, 100.0f);
     _shaderProgram.setUniform("view", view);
     _shaderProgram.setUniform("projection", projection);
+    
+
+    ///////////////////////////////////////最终不应该放在这里
+    _shaderProgram.setUniform("lightColor", 0.0f, 1.0f, 0.0f);
+    //////////////////////////////////////
+
+
 
     for (auto object : _objects) {
         object.render(_shaderProgram);