diff --git a/code/source-c/main.c b/code/source-c/main.c index 6d8d302..251f1e1 100644 --- a/code/source-c/main.c +++ b/code/source-c/main.c @@ -65,7 +65,7 @@ float triangle_vertices[108] = }; tc_vec3_s tc_camera_position = { 0.0f, 0.0f, 0.0f }; -tc_vec3_s tc_camera_rotation = { 0.0f, 0.0f, 0.0f }; +// tc_vec3_s tc_camera_rotation = { 0.0f, 0.0f, 0.0f }; tc_block_s block; @@ -117,10 +117,12 @@ void render() glViewport(0, 0, fb_width, fb_height); mat4x4_perspective(projection_matrix, 120, ((float) fb_width) / ((float) fb_height), 0.0001f, 1000.0f); + tc_vec3_s camera_rotation = tc_game_state_g.renderer.active_camera.rotation; + mat4x4_identity(view_matrix); - mat4x4_rotate_X(view_matrix, view_matrix, tc_camera_rotation.x); - mat4x4_rotate_Y(view_matrix, view_matrix, tc_camera_rotation.y); - mat4x4_rotate_Z(view_matrix, view_matrix, tc_camera_rotation.z); + mat4x4_rotate_X(view_matrix, view_matrix, camera_rotation.x); + mat4x4_rotate_Y(view_matrix, view_matrix, camera_rotation.y); + mat4x4_rotate_Z(view_matrix, view_matrix, camera_rotation.z); mat4x4_translate_in_place(view_matrix, -tc_camera_position.x, -tc_camera_position.y, tc_camera_position.z); @@ -255,6 +257,20 @@ bool update() } break; + + case SDL_MOUSEMOTION: + { + if(!(event.motion.state & SDL_BUTTON_LMASK)) break; + tc_game_state_g.renderer.active_camera.rotation.y += event.motion.xrel / 50.0f; + tc_game_state_g.renderer.active_camera.rotation.x += event.motion.yrel / 50.0f; + + if(tc_game_state_g.renderer.active_camera.rotation.x > (3.1415f/2.0f)) + tc_game_state_g.renderer.active_camera.rotation.x = (3.1415f/2.0f); + + if(tc_game_state_g.renderer.active_camera.rotation.x < -(3.1415f/2.0f)) + tc_game_state_g.renderer.active_camera.rotation.x = -(3.1415f/2.0f); + + } break; } } @@ -268,35 +284,48 @@ bool update() tc_camera_position.y += 0.25; } + + + tc_vec3_s difference_in_perspective; + difference_in_perspective.x = 0.0f; + difference_in_perspective.y = 0.0f; + difference_in_perspective.z = 0.0f; + if(go_left) { - tc_camera_position.x -= 0.25; + difference_in_perspective.x -= 0.45f; } if(go_right) { - tc_camera_position.x += 0.25; + difference_in_perspective.x += 0.45f; } if(go_forward) { - tc_camera_position.z += 0.25; + difference_in_perspective.z += 0.4f; } if(go_backwards) { - tc_camera_position.z -= 0.25; + difference_in_perspective.z -= 0.4f; } - if(rotate_left) - { - tc_camera_rotation.y -= 0.1f / (3.1415 * 2); - } + mat4x4 position_matrix; + mat4x4_identity(position_matrix); - if(rotate_right) - { - tc_camera_rotation.y += 0.1f / (3.1415 * 2); - } + mat4x4_translate(position_matrix, difference_in_perspective.x, 0.0f, difference_in_perspective.z); + + mat4x4_rotate_X(position_matrix, position_matrix, tc_game_state_g.renderer.active_camera.rotation.x); + mat4x4_rotate_Y(position_matrix, position_matrix, tc_game_state_g.renderer.active_camera.rotation.y); + mat4x4_rotate_Z(position_matrix, position_matrix, tc_game_state_g.renderer.active_camera.rotation.z); + + vec4 viewed_difference = { difference_in_perspective.x, 0.0f, difference_in_perspective.z }; + vec4 raw_difference = { 0.0f, 0.0f, 0.0f }; + mat4x4_mul_vec4(raw_difference, position_matrix, viewed_difference); + + tc_camera_position.x += raw_difference[0]; + tc_camera_position.z += raw_difference[2]; tc_game_state_g.main_world->loading_center.x = ((int32_t) tc_camera_position.x) / 32; tc_game_state_g.main_world->loading_center.y = ((int32_t) tc_camera_position.y) / 32;