52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#include "FpsCam.h"
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#include <GLFW/glfw3.h>
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#include <glm/gtc/matrix_transform.hpp>
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FpsCam::FpsCam(GLFWwindow* window)
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{
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glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
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if (glfwRawMouseMotionSupported())
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glfwSetInputMode(window, GLFW_RAW_MOUSE_MOTION, GLFW_TRUE);
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}
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glm::mat4 FpsCam::getMatrix()
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{
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glm::mat4 ret(1.0f);
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ret = glm::rotate(ret, rotation.x, glm::vec3(1, 0, 0));
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ret = glm::rotate(ret, rotation.y, glm::vec3(0, 1, 0));
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ret = glm::translate(ret, position);
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return ret;
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}
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void FpsCam::move(float angle, float fac)
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{
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position.x += (float)cos(rotation.y + glm::radians(angle)) * fac;
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position.z += (float)sin(rotation.y + glm::radians(angle)) * fac;
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}
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void FpsCam::update(GLFWwindow* window)
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{
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double x, y;
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glfwGetCursorPos(window, &x, &y);
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static double lastX = x;
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static double lastY = y;
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rotation.x -= (float)(lastY - y) / 100.0f;
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rotation.y -= (float)(lastX - x) / 100.0f;
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lastX = x;
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lastY = y;
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if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
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move(0, 0.05f);
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if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
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move(180, 0.05f);
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if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
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move(90, 0.05f);
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if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
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move(-90, 0.05f);
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} |