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C++ Camera::forward方法代码示例

本文整理汇总了C++中tdogl::Camera::forward方法的典型用法代码示例。如果您正苦于以下问题：C++ Camera::forward方法的具体用法？C++ Camera::forward怎么用？C++ Camera::forward使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tdogl::Camera的用法示例。


在下文中一共展示了Camera::forward方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Update

void Update(float secondsElapsed, GLFWwindow* window) {
	const GLfloat degreesPerSecond = 180.0f;
	//const GLfloat degreesPerSecond = 0.0f;
	gDegreesRotated += secondsElapsed * degreesPerSecond;
	while (gDegreesRotated > 360.0f) gDegreesRotated -= 360.0f;
	gInstances.front().transform = glm::rotate(glm::mat4(), gDegreesRotated, glm::vec3(0, 1, 0));

	//move position of camera based on WASD keys
	const float moveSpeed = 4.0; //units per second
	if (glfwGetKey(window, 'S')) {
		gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.forward());
	}
	else if (glfwGetKey(window, 'W')) {
		gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.forward());
	}
	if (glfwGetKey(window, 'A')) {
		gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.right());
	}
	else if (glfwGetKey(window, 'D')) {
		gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.right());
	}

	if (glfwGetKey(window, 'Z')) {
		gCamera.offsetPosition(secondsElapsed * moveSpeed * -glm::vec3(0, 1, 0));
	}
	else if (glfwGetKey(window, 'X')) {
		gCamera.offsetPosition(secondsElapsed * moveSpeed * glm::vec3(0, 1, 0));
	}

	//move light
	if (glfwGetKey(window, '1'))
		gLight.position = gCamera.position();

	// change light color
	if (glfwGetKey(window, '2'))
		gLight.intensities = glm::vec3(1, 0, 0); //red
	else if (glfwGetKey(window, '3'))
		gLight.intensities = glm::vec3(0, 1, 0); //green
	else if (glfwGetKey(window, '4'))
		gLight.intensities = glm::vec3(1, 1, 1); //white

	//rotate camera based on mouse movement
	const float mouseSensitivity = 0.1f;
	double mouseX, mouseY;
	glfwGetCursorPos(window, &mouseX, &mouseY);
	gCamera.offsetOrientation(mouseSensitivity * (float)mouseY, mouseSensitivity * (float)mouseX);
	glfwSetCursorPos(window, 0, 0); //reset the mouse, so it doesn't go out of the window

	const float zoomSensitivity = -0.2f;
	float fieldOfView = gCamera.fieldOfView() + zoomSensitivity * (float)gScrollY;
	if (fieldOfView < 5.0f) fieldOfView = 5.0f;
	if (fieldOfView > 130.0f) fieldOfView = 130.0f;
	gCamera.setFieldOfView(fieldOfView);
	gScrollY = 0;

}
开发者ID:chenyingjing，项目名称:OpenGLPG，代码行数:56，代码来源:OpenGL07.cpp

示例2: Update

// update the scene based on the time elapsed since last update
static void Update(float secondsElapsed) {
    //rotate the first instance in `gInstances`
    const GLfloat degreesPerSecond = 180.0f;
    gDegreesRotated += secondsElapsed * degreesPerSecond;
    while(gDegreesRotated > 360.0f) gDegreesRotated -= 360.0f;
    gInstances.front().transform = glm::rotate(glm::mat4(), gDegreesRotated, glm::vec3(0,1,0));

    //move position of camera based on WASD keys, and XZ keys for up and down
    const float moveSpeed = 4.0; //units per second
    if(glfwGetKey('S')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.forward());
    } else if(glfwGetKey('W')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.forward());
    }
    if(glfwGetKey('A')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.right());
    } else if(glfwGetKey('D')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.right());
    }
    if(glfwGetKey('Z')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -glm::vec3(0,1,0));
    } else if(glfwGetKey('X')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * glm::vec3(0,1,0));
    }

    //move light
    if(glfwGetKey('1'))
        gLight.position = gCamera.position();

    // change light color
    if(glfwGetKey('2'))
        gLight.intensities = glm::vec3(1,0,0); //red
    else if(glfwGetKey('3'))
        gLight.intensities = glm::vec3(0,1,0); //green
    else if(glfwGetKey('4'))
        gLight.intensities = glm::vec3(1,1,1); //white


    //rotate camera based on mouse movement
    const float mouseSensitivity = 0.1f;
    int mouseX, mouseY;
    glfwGetMousePos(&mouseX, &mouseY);
    gCamera.offsetOrientation(mouseSensitivity * mouseY, mouseSensitivity * mouseX);
    glfwSetMousePos(0, 0); //reset the mouse, so it doesn't go out of the window

    //increase or decrease field of view based on mouse wheel
    const float zoomSensitivity = -0.2f;
    float fieldOfView = gCamera.fieldOfView() + zoomSensitivity * (float)glfwGetMouseWheel();
    if(fieldOfView < 5.0f) fieldOfView = 5.0f;
    if(fieldOfView > 130.0f) fieldOfView = 130.0f;
    gCamera.setFieldOfView(fieldOfView);
    glfwSetMouseWheel(0);
}
开发者ID:KrbAlmryde，项目名称:opengl-series，代码行数:54，代码来源:main.cpp

示例3: Update

// update the scene based on the time elapsed since last update
void Update(float secondsElapsed) {
    const GLfloat degreesPerSecond = 180.0f;
    gDegreesRotated += secondsElapsed * degreesPerSecond;
    while(gDegreesRotated > 360.0f) gDegreesRotated -= 360.0f;

    // Move position of camera base on WASD keys
    const float moveSpeed = 3.0; // Units per second;
    if(glfwGetKey(gWindow, 'S'))
    {
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.forward());
    }else if(glfwGetKey(gWindow, 'W'))
    {
        gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.forward());
    }

    if(glfwGetKey(gWindow, 'A'))
    {
        gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.right());
    }else if(glfwGetKey(gWindow, 'D'))
    {
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.right());
    }

    if(glfwGetKey(gWindow, 'Z'))
    {
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.up());
    }else if(glfwGetKey(gWindow, 'X'))
    {
        gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.up());
    }

    //rotate camera based on mouse movement
    const float mouseSensitivity = 0.1f;
    double mouseX, mouseY;
    glfwGetCursorPos(gWindow, &mouseX, &mouseY);
    gCamera.offsetOrientation(mouseSensitivity * (float)mouseY, mouseSensitivity * (float)mouseX);
    glfwSetCursorPos(gWindow, 0, 0); //reset the mouse, so it doesn't go out of the window

    //increase or decrease field of view based on mouse wheel
    const float zoomSensitivity = -0.2f;
    float fieldOfView = gCamera.fieldOfView() + zoomSensitivity * (float)gScrollY;
    if(fieldOfView < 5.0f) fieldOfView = 5.0f;
    if(fieldOfView > 130.0f) fieldOfView = 130.0f;
    gCamera.setFieldOfView(fieldOfView);
    gScrollY = 0;
}
开发者ID:TrungKienLe，项目名称:opengl-dev，代码行数:47，代码来源:main.cpp

示例4: Update

// update the scene based on the time elapsed since last update
static void Update(float secondsElapsed) {
    //rotate the first instance in `gInstances`
    const GLfloat degreesPerSecond = 180.0f;
    gDegreesRotated += secondsElapsed * degreesPerSecond;
    while(gDegreesRotated > 360.0f) gDegreesRotated -= 360.0f;
    gInstances.front().transform = glm::rotate(glm::mat4(), glm::radians(gDegreesRotated), glm::vec3(0,1,0));

    //move position of camera based on WASD keys, and XZ keys for up and down
    const float moveSpeed = 2.0; //units per second
    if(glfwGetKey(gWindow, 'S')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.forward());
    } else if(glfwGetKey(gWindow, 'W')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.forward());
    }
    if(glfwGetKey(gWindow, 'A')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.right());
    } else if(glfwGetKey(gWindow, 'D')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.right());
    }
    if(glfwGetKey(gWindow, 'Z')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -glm::vec3(0,1,0));
    } else if(glfwGetKey(gWindow, 'X')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * glm::vec3(0,1,0));
    }

    //rotate camera based on mouse movement
    const float mouseSensitivity = 0.1f;
    double mouseX, mouseY;
    glfwGetCursorPos(gWindow, &mouseX, &mouseY);
    gCamera.offsetOrientation(mouseSensitivity * (float)mouseY, mouseSensitivity * (float)mouseX);
    glfwSetCursorPos(gWindow, 0, 0); //reset the mouse, so it doesn't go out of the window

    //increase or decrease field of view based on mouse wheel
    const float zoomSensitivity = -0.2f;
    float fieldOfView = gCamera.fieldOfView() + zoomSensitivity * (float)gScrollY;
    if(fieldOfView < 5.0f) fieldOfView = 5.0f;
    if(fieldOfView > 130.0f) fieldOfView = 130.0f;
    gCamera.setFieldOfView(fieldOfView);
    gScrollY = 0;
}
开发者ID:9b9387，项目名称:opengl-series，代码行数:41，代码来源:main.cpp

示例5: Update

// update the scene based on the time elapsed since last update
void Update(float secondsElapsed) {
    //rotate the cube
    const GLfloat degreesPerSecond = 180.0f;
    gDegreesRotated += secondsElapsed * degreesPerSecond;
    while(gDegreesRotated > 360.0f) gDegreesRotated -= 360.0f;

    //move position of camera based on WASD keys, and XZ keys for up and down
    const float moveSpeed = 2.0; //units per second
    if(glfwGetKey('S')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.forward());
    } else if(glfwGetKey('W')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.forward());
    }
    if(glfwGetKey('A')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -gCamera.right());
    } else if(glfwGetKey('D')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * gCamera.right());
    }
    if(glfwGetKey('Z')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * -glm::vec3(0,1,0));
    } else if(glfwGetKey('X')){
        gCamera.offsetPosition(secondsElapsed * moveSpeed * glm::vec3(0,1,0));
    }

    //rotate camera based on mouse movement
    const float mouseSensitivity = 0.1;
    int mouseX, mouseY;
    glfwGetMousePos(&mouseX, &mouseY);
    gCamera.offsetOrientation(mouseSensitivity * mouseY, mouseSensitivity * mouseX);
    glfwSetMousePos(0, 0); //reset the mouse, so it doesn't go out of the window

    //increase or decrease field of view based on mouse wheel
    const float zoomSensitivity = -0.2;
    float fieldOfView = gCamera.fieldOfView() + zoomSensitivity * (float)glfwGetMouseWheel();
    if(fieldOfView < 5.0f) fieldOfView = 5.0f;
    if(fieldOfView > 130.0f) fieldOfView = 130.0f;
    gCamera.setFieldOfView(fieldOfView);
    glfwSetMouseWheel(0);
}
开发者ID:LePrototype，项目名称:opengl-series，代码行数:40，代码来源:main.cpp

示例6: Update

//rotated and add keyboard and mouse callback
void Update(float secondsElapsed) {
    //change the axis that rotated
    if (glfwGetKey('7')){
        Axis =glm::vec3(1,0,0);
    }
    if (glfwGetKey('8')){
        Axis =glm::vec3(0,0,1);
    }
    if (glfwGetKey('9')){
        Axis =glm::vec3(0,1,0);
    }
    //press "T" to stop rotate
    GLfloat degreesPerSecond = 20.0f;
    if (glfwGetKey('T')){
        degreesPerSecond = 0.0f;
    }

    gDegreesRotated += secondsElapsed * degreesPerSecond;
    while (gDegreesRotated > 360.0f) gDegreesRotated -= 360.0f;
    
    
    const float moveSpeed = 3.0;
    if (glfwGetKey('S')) {
        gCamera.offsetPositon(secondsElapsed * moveSpeed * -gCamera.forward());
    } else if (glfwGetKey('W')){
        gCamera.offsetPositon(secondsElapsed * moveSpeed * gCamera.forward());
    } else if (glfwGetKey('A')) {
        gCamera.offsetPositon(secondsElapsed * moveSpeed * -gCamera.right());
    } else if (glfwGetKey('D')) {
        gCamera.offsetPositon(secondsElapsed * moveSpeed * gCamera.right());
    }
    if (glfwGetKey('Z')) {
        gCamera.offsetPositon(secondsElapsed* moveSpeed * -glm::vec3(0,1,0));
    } else if (glfwGetKey('X')) {
        gCamera.offsetPositon(secondsElapsed * moveSpeed * glm::vec3(0,1,0));
    }
    
    // change light color
    if(glfwGetKey('1'))
        gLight.intensities = glm::vec3(0.8, 0.3, 0.0); //red
    else if(glfwGetKey('2'))
        gLight.intensities = glm::vec3(0.0, 0.8, 0.2); //green
    else if (glfwGetKey('3'))
        gLight.intensities = glm::vec3(0.1, 0.3, 0.8);
    else if(glfwGetKey('4'))
        gLight.intensities = glm::vec3(1,1,1); //white
    
    //mouse movement with camera
    const float mouseSensitivity = 0.1;
    int mouseX, mouseY;
    glfwGetMousePos(&mouseX, &mouseY);
    gCamera.offsetOrientation(mouseSensitivity* mouseY, mouseSensitivity* mouseX);
    glfwSetMousePos(0,0);
    
    
    //mouse wheel with field of view
    const float zoomSensitivity = -0.8;
    float fieldOfView = gCamera.fieldOfView() + zoomSensitivity *(float)glfwGetMouseWheel();
    if(fieldOfView < 5.0f) fieldOfView = 5.0f;
    if(fieldOfView > 130.0f) fieldOfView = 130.0f;
    gCamera.setFieldOfView(fieldOfView);
    if (glfwGetMouseButton(0))          //press left button to reset the Fov;
        gCamera.setFieldOfView(50.0f);
    glfwSetMouseWheel(0);
    
}
开发者ID:Proudmoor，项目名称:OpenGL，代码行数:67，代码来源:main.cpp


注：本文中的tdogl::Camera::forward方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。