basic player move init, lesson #1

build.c

@@ -24,6 +24,6 @@ typedef struct Context_Extra {
 //
 // Comment & Uncomment to swap projects
 
-#include "entry_engine_test.c"
+// #include "entry_engine_test.c"
 // #include "entry_minimal_example.c"
-// #include "entry_randygame.c"
+#include "entry_randygame.c"

entry_randygame.c

@@ -6,20 +6,58 @@ int entry(int argc, char **argv) {
 	window.height = 720;
 	window.x = 200;
 	window.y = 200;
-	window.clear_color = v4(1, 1, 1, 1);
+	window.clear_color = hex_to_rgba(0x2a2d3aff);
 
+	Gfx_Image* player = load_image_from_disk(fixed_string("player.png"), get_heap_allocator());
+	assert(player, "fuckie wucky happen");
+
+	Vector2 player_pos = v2(0, 0);
+	float64 seconds_counter = 0.0;
+	s32 frame_count = 0;
+
+	float64 last_time = os_get_current_time_in_seconds();
 	while (!window.should_close) {
 		reset_temporary_storage();
 
+		float64 now = os_get_current_time_in_seconds();
+		float64 delta_t = now - last_time;
+		last_time = now;
+		
 		os_update();
 
-		float64 now = os_get_current_time_in_seconds();
+		if (is_key_just_pressed(KEY_ESCAPE)) {
-		Matrix4 hammer_xform = m4_scalar(1.0);
+			window.should_close = true;
-		hammer_xform         = m4_rotate_z(hammer_xform, (f32)now);
+		}
-		hammer_xform         = m4_translate(hammer_xform, v3(-.25f, -.25f, 0));
+
-		draw_rect_xform(hammer_xform, v2(.5f, .5f), COLOR_RED);
+		Vector2 input_axis = v2(0, 0);
+		if (is_key_down('A')) {
+			input_axis.x -= 1.0;
+		}
+		if (is_key_down('D')) {
+			input_axis.x += 1.0;
+		}
+		if (is_key_down('S')) {
+			input_axis.y -= 1.0;
+		}
+		if (is_key_down('W')) {
+			input_axis.y += 1.0;
+		}
+		input_axis = v2_normalize(input_axis);
+
+		player_pos = v2_add(player_pos, v2_mulf(input_axis, 5.0 * delta_t));
+		
+		Matrix4 xform = m4_scalar(1.0);
+		xform         = m4_translate(xform, v3(player_pos.x, player_pos.y, 0));
+		draw_image_xform(player, xform, v2(.5f, .5f), COLOR_RED);
 		
 		gfx_update();
+		seconds_counter += delta_t;
+		frame_count += 1;
+		if (seconds_counter > 1.0) {
+			log("fps: %i", frame_count);
+			seconds_counter = 0.0;
+			frame_count = 0;
+		}
 	}
 
 	return 0;