利用鍵盤左右鍵使映像左右移動，上下鍵使映像的兩個紋理可見度比例上下調整

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利用鍵盤左右鍵使映像左右移動，

glm::mat4 trans;        trans = glm::translate(trans, glm::vec3(translation, 0.0f, 0.0f));        glUniformMatrix4fv(glGetUniformLocation(ourShader.ID, "transform"), 1, GL_FALSE, glm::value_ptr(trans));

 1 void processInput(GLFWwindow* window) 2 { 3     if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) 4         glfwSetWindowShouldClose(window, true); 5 if (glfwGetKey(window, GLFW_KEY_LEFT) == GLFW_PRESS) 6     { 7         translation -= 0.001f; 8         if (translation <= -0.5f) 9             translation = -0.5f;10     }11 12     if (glfwGetKey(window, GLFW_KEY_RIGHT) == GLFW_PRESS)13     {14         translation += 0.001f;15         if (translation >= 0.5f)16             translation = 0.5f;17     }18 }

上下鍵使映像的兩個紋理可見度比例上下調整

 1 ourShader.setFloat("mixValue", mixValue); 2 void processInput(GLFWwindow* window) 3 { 4     if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) 5         glfwSetWindowShouldClose(window, true); 6  7     //用鍵盤上下鍵控制兩個紋理的可見度比例 8     if (glfwGetKey(window, GLFW_KEY_UP) == GLFW_PRESS) 9     {10         mixValue += 0.001f;11         if (mixValue >= 1.0f)12             mixValue = 1.0f;13     }14     if (glfwGetKey(window, GLFW_KEY_DOWN) == GLFW_PRESS)15     {16         mixValue -= 0.001f;17         if (mixValue <= 0.0f)18             mixValue = 0.0f;19     }20 }

 

利用鍵盤左右鍵使映像左右移動，上下鍵使映像的兩個紋理可見度比例上下調整