75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
#include "camera.hh"
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Camera::Camera(glm::vec2 rotation, float distance) {
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this->rotation = rotation;
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this->distance = distance;
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}
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Camera::Camera() {
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rotation = glm::vec2(0.0f, 0.0f);
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distance = 1.0f;
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}
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Camera::~Camera() {
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}
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float Camera::getDistance() {
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return distance;
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}
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void Camera::setDistance(float distance) {
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this->distance = distance;
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updatePosition();
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}
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glm::vec2 Camera::getRotation() {
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return rotation;
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}
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void Camera::setRotation(glm::vec2 rotation) {
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this->rotation = rotation;
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updatePosition();
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}
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void Camera::updateRotation(glm::vec2 rotation) {
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this->rotation += rotation;
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if((this->rotation.x + rotation.x) >= 1.57f) {
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this->rotation.x = 1.57;
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this->rotation.y += rotation.y;
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}
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else if ((this->rotation.x + rotation.x) <= -1.57f) {
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this->rotation.x = -1.57f;
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this->rotation.y += rotation.y;
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}
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else {
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this-> rotation += rotation;
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}
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updatePosition();
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}
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void Camera:: updateDistance(float distance) {
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if (this->distance + distance <= 1.0f) {
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this->distance = 1.0f;
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}
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else if (this->distance + distance >= 30.0f) {
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this->distance = 30.f;
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}
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else {
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this->distance += distance;
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}
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updatePosition();
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}
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void Camera::updatePosition() {
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glm::vec4 cameraVector = glm::vec4(0.0f, 0.0f, distance, 0.0f);
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// rotate vector
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glm::mat4 rotationMatrix =
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glm::rotate<float>(rotation[1], glm::vec3(0.0f, 1.0f, 0.0f)) * glm::rotate<float>(rotation[0], glm::vec3(1.0f, 0.0f, 0.0f));
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this->vector = glm::vec3(rotationMatrix * cameraVector);
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}
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glm::vec3 Camera::getVector() {
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return vector;
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}
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