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Vp::Trackball ​

Static utility class for trackball interaction.

#include "Viewport/camera/Trackball.h"

Public Functions ​

Name
glm::mat4rotate(glm::vec2 screenStart, glm::vec2 screenEnd, glm::ivec2 screenSize =glm::ivec2(1, 1))<br>Resolves trackball movement from one point to another and returns a corresponding rotation matrix.

Public Attributes ​

Name
glm::vec2debug_trackballScreenSize

Public Functions Documentation ​

function rotate ​

cpp
static glm::mat4 rotate(
    glm::vec2 screenStart,
    glm::vec2 screenEnd,
    glm::ivec2 screenSize =glm::ivec2(1, 1)
)
static glm::mat4 rotate(
    glm::vec2 screenStart,
    glm::vec2 screenEnd,
    glm::ivec2 screenSize =glm::ivec2(1, 1)
)

Resolves trackball movement from one point to another and returns a corresponding rotation matrix.

Parameters:

  • screenStart Start point in range (-1, 1) or (0, screenSize)
  • screenEnd End point in range (-1, 1) or (0, screenSize)
  • screenSize Optionally screen size

Return: Immediate rotation matrix

Public Attributes Documentation ​

variable debug_trackballScreenSize ​

cpp
static glm::vec2 debug_trackballScreenSize = glm::vec2(0);
static glm::vec2 debug_trackballScreenSize = glm::vec2(0);

Updated on 2025-01-07 at 13:40:44 +0000