debug_draw.hpp

 
#pragma once
 
#include "toast/assets/core_types.hpp"
 
#include <glm/glm.hpp>
 
namespace toast {
class Camera;
}
 
namespace assets {
class Texture;
class Mesh;
}
 
namespace debug {
 
struct Billboard {
  glm::vec3 position {0.0f};
  float size = 1.0f;
  glm::vec4 tint {1.0f};
  assets::Handle<assets::Texture> texture;
};
 
struct Vertex {
  glm::vec<3, float, glm::packed_highp> position;
  glm::vec<4, float, glm::packed_highp> color;
};
 
static_assert(std::is_standard_layout_v<debug::Vertex>, "DebugVertex must be standard layout");
 
struct Mesh {
  glm::mat4 model {1.0f};
  glm::vec4 tint {1.0f};
  assets::Handle<assets::Mesh> mesh;
};
 
void TOAST_API drawSolidSphere(glm::vec3 center, float radius, glm::vec4 color);
void TOAST_API drawShapeBox(const glm::mat4& transform, glm::vec4 color, bool fill);
void TOAST_API drawCapsule(const glm::mat4& transform, float radius, float height, glm::vec4 color, bool fill);
 
void TOAST_API drawOrientedBox(const glm::mat4& transform, const glm::vec3& extents, const glm::vec4& color);
 
void TOAST_API drawLine(glm::vec3 a, glm::vec3 b, glm::vec4 color = {1.0f, 1.0f, 1.0f, 1.0f});
void TOAST_API drawBox(glm::vec3 min, glm::vec3 max, glm::vec4 color = {1.0f, 1.0f, 1.0f, 1.0f});
void TOAST_API drawSphere(glm::vec3 center, float radius, glm::vec4 color = {1.0f, 1.0f, 1.0f, 1.0f}, int segments = 24);
void TOAST_API drawAxes(const glm::mat4& transform);
 
void TOAST_API drawBillboard(
    glm::vec3 world_position, float size, assets::Handle<assets::Texture> texture, glm::vec4 tint = {1.0f, 1.0f, 1.0f, 1.0f}
);
 
void TOAST_API
    drawMesh(const assets::Handle<assets::Mesh>& mesh, const glm::mat4& transform, glm::vec4 tint = {1.0f, 1.0f, 1.0f, 1.0f});
 
void TOAST_API drawMesh(toast::UID mesh, const glm::mat4& transform, glm::vec4 tint = {1.0f, 1.0f, 1.0f, 1.0f});
 
void TOAST_API
    drawBillboard(glm::vec3 world_position, float size, toast::UID texture, glm::vec4 tint = glm::vec4 {1.0f, 1.0f, 1.0f, 1.0f});
 
void TOAST_API drawArrow(glm::vec3 from, glm::vec3 to, glm::vec4 color = {1.0f, 1.0f, 1.0f, 1.0f}, float head_size = 0.2f);
 
void TOAST_API drawCone(
    glm::vec3 apex, glm::vec3 direction, float length, float half_angle_degrees, glm::vec4 color = {1.0f, 1.0f, 1.0f, 1.0f},
    int segments = 24
);
 
void TOAST_API
    drawFrustum(const toast::Camera& camera, float aspect, glm::vec4 color = {1.0f, 1.0f, 0.0f, 1.0f}, float far_override = 0.0f);
 
void TOAST_API drawFrustumFromMatrix(const glm::mat4& view_projection, glm::vec4 color = {1.0f, 1.0f, 0.0f, 1.0f});
}