initial commit.

1 files changed, 88 insertions, 0 deletions

diff --git a/cam.c b/cam.c
new file mode 100644
index 0000000..f14487c
--- /dev/null
+++ b/cam.c
@@ -0,0 +1,88 @@
+#include "cam.h"
+#include <rcamera.h>
+
+CameraInfo main_cam = {0};
+
+void
+cam_init(void) {
+	rlSetClipPlanes(0.3, 5000);
+	main_cam.cam = (Camera3D) {
+		.position = { 0, 10, -10 },
+		.target = { 0, 1, 0 },
+		.up = { 0, 1, 0},
+		.fovy = 70.0f,
+		.projection = CAMERA_PERSPECTIVE,
+	};
+	main_cam.update = false;
+	main_cam.mv_speed = 10;
+	main_cam.mv_scale = 1;
+	main_cam.lk_speed = 0.2;
+}
+
+void
+cam_ctrl_editor(void) {
+	if (!main_cam.update) {
+		return;
+	}
+
+	Vec3 input_dir = {0};
+	f32 mv_speed = main_cam.mv_speed;
+	f32 lk_speed = main_cam.lk_speed;
+
+	if (IsKeyDown(KEY_W)) {
+		input_dir.z += 1;
+	}
+
+	if (IsKeyDown(KEY_A)) {
+		input_dir.x -= 1;
+	}
+
+	if (IsKeyDown(KEY_S)) {
+		input_dir.z -= 1;
+	}
+
+	if (IsKeyDown(KEY_D)) {
+		input_dir.x += 1;
+	}
+
+	if (IsKeyDown(KEY_Q)) {
+		input_dir.y -= 1;
+	}
+
+	if (IsKeyDown(KEY_E)) {
+		input_dir.y += 1;
+	}
+
+	input_dir = Vector3Normalize(input_dir);
+
+	if (IsKeyDown(KEY_LEFT_SHIFT)) {
+		mv_speed *= 3;
+	}
+
+	// makes it so you can stop faster than you can speed up
+	f32 ms_amount = GetMouseWheelMove() < 0 ?
+				GetMouseWheelMove() * 1.5 :
+				GetMouseWheelMove() * 0.75;
+
+	main_cam.mv_scale += ms_amount;
+	main_cam.mv_scale = CLAMP(main_cam.mv_scale, 0.1, 50);
+
+	mv_speed *= main_cam.mv_scale;
+	mv_speed = CLAMP(mv_speed, 2, 1000);
+
+	CameraMoveForward(&main_cam.cam,
+	                  input_dir.z * mv_speed * GetFrameTime(),
+	                  false);
+
+	CameraMoveRight(&main_cam.cam,
+	                input_dir.x * mv_speed * GetFrameTime(),
+	                false);
+
+	CameraMoveUp(&main_cam.cam, input_dir.y * mv_speed * GetFrameTime());
+
+	CameraYaw(&main_cam.cam,
+	          -GetMouseDelta().x * lk_speed * GetFrameTime(), 0);
+
+	CameraPitch(&main_cam.cam,
+	            -GetMouseDelta().y * lk_speed * GetFrameTime(), 1, 0, 0); 
+}