Added camera

src/engine/display/camera.c

@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2021 Dominic Msters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "camera.h"
+
+camera_t * cameraCreate() {
+  camera_t *camera = malloc(sizeof(camera_t));
+  if(!camera) return NULL;
+  return camera;
+}
+
+void cameraDispose(camera_t *camera) {
+  free(camera);
+}
+
+void cameraLookAt(camera_t *camera,
+  float x, float y, float z, float targetX, float targetY, float targetZ
+) {
+  glm_lookat(
+    (vec3){ x, y, z },
+    (vec3){ targetX, targetY, targetZ },
+    (vec3){ 0, 1, 0 },
+    camera->view
+  );
+}
+
+void cameraLook(camera_t *camera,
+  float x, float y, float z,
+  float pitch, float yaw, float roll
+) {
+  glm_look(
+    (vec3){ x, y, z },
+    (vec3){ pitch, yaw, roll },
+    (vec3){ 0, 1, 0 },
+    camera->view
+  );
+}
+
+void cameraPerspective(camera_t *camera,
+  float fov, float aspect, float near, float far
+) {
+  glm_perspective(fov, aspect, near, far, camera->projection);
+}
+
+void cameraOrtho(camera_t *camera,
+  float left, float right, float bottom, float top, float near, float far
+) {
+  glm_ortho(left, right, bottom, top, near, far, camera->projection);
+}