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#include "cameras.h"
#include "game.h"
#include "world.h"
#include "entitiesInclude.h"
// First person camera indeed.
void initFirstPersonCamera(Game * game, Camera3D * camera) {
*camera = (Camera3D){
.fovy = 90.0,
.projection = CAMERA_PERSPECTIVE
};
}
void updateFirstPersonCamera(Game * game, Camera3D * camera) {
Entity * player = getEntityFromWorld(game->world, 0);
Vector3 direction = Vector3RotateByQuaternion((Vector3){0.0, 0.0, 1.0}, player->rotation);
camera->position = Vector3Add(player->position, Vector3Scale(direction, FIRST_PERSON_CAMERA_DISTANCE));
camera->target = Vector3Add(camera->position, direction);
camera->up = Vector3RotateByQuaternion((Vector3){0.0, 1.0, 0.0}, player->rotation);
}
// Third person hehehe.
void initThirdPersonCamera(Game * game, Camera3D * camera) {
*camera = (Camera3D){
.fovy = 90.0,
.projection = CAMERA_PERSPECTIVE
};
}
void updateThirdPersonCamera(Game * game, Camera3D * camera) {
Entity * player = getEntityFromWorld(game->world, 0);
Vector3 direction = Vector3RotateByQuaternion(THIRD_PERSON_CAMERA_DISTANCE, player->rotation);
camera->position = Vector3Add(player->position, direction);
camera->target = player->position;
camera->up = Vector3RotateByQuaternion((Vector3){0.0, 1.0, 0.0}, player->rotation);
}
// Zoom camera indeed hehehehehehe.
void initZoomCamera(Game * game, Camera3D * camera) {
*camera = (Camera3D){
.fovy = 12.0,
.projection = CAMERA_PERSPECTIVE
};
}
void updateZoomCamera(Game * game, Camera3D * camera) {
Entity * player = getEntityFromWorld(game->world, 0);
AntifaShip * data = (AntifaShip*)player->data;
Vector3 direction;
// Get direction. Aim with ship or target on target entity.
if (data->doAutoTarget)
direction = data->gunTarget;
else
direction = Vector3RotateByQuaternion((Vector3){0.0, 0.0, 1.0}, player->rotation);
camera->position = Vector3Add(player->position, Vector3Scale(direction, FIRST_PERSON_CAMERA_DISTANCE));
camera->target = Vector3Add(camera->position, direction);
camera->up = Vector3RotateByQuaternion((Vector3){0.0, 1.0, 0.0}, player->rotation);
}
// KILL THE BUGS!!!
void initDebugCamera(Game * game, Camera3D * camera) {
*camera = (Camera3D){
.fovy = 120.0,
.projection = CAMERA_PERSPECTIVE,
.position = DEBUG_CAMERA_POSITION,
.up = (Vector3){0.0, 1.0, 0.0}
};
}
void updateDebugCamera(Game * game, Camera3D * camera) {
Entity * player = getEntityFromWorld(game->world, 0);
camera->target = player->position;
}
// Callbacks indeed.
const CameraInitCb cameraInitCallbacks[CAMERA_COUNT] = {
initFirstPersonCamera,
initThirdPersonCamera,
initZoomCamera,
initDebugCamera
};
const CameraCb cameraCallbacks[CAMERA_COUNT] = {
updateFirstPersonCamera,
updateThirdPersonCamera,
updateZoomCamera,
updateDebugCamera
};
void initCameras(Game * game, Cameras cameras) {
int i;
for (i = 0; i < CAMERA_COUNT; ++i)
cameraInitCallbacks[i](game, &cameras[i]);
}
void runCameraUpdate(Game * game, Cameras cameras, CameraId id) {
cameraCallbacks[id](game, &cameras[id]);
}
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