CXX = g++

CXXFLAGS  = -std=c++20 -Wall -Wextra -Wno-unused-parameter -march=native -Ofast -flto -fopenmp

DEPS = util.h vec3.h color.h ray.h camera.h hittable.h hittable_list.h sphere.h material.h lodepng.h
OBJ = wtracer.o material.o vec3.o lodepng.o

TARGET = wtracer

all: $(TARGET) run

run: $(TARGET)
	time -f '%E elapsed' ./wtracer
	eog image.png

%.o: %.cpp $(DEPS)
	$(CXX) $(CXXFLAGS) -c -o $@ $<

$(TARGET): $(OBJ)
	$(CXX) $(CXXFLAGS) -o $@ $^

clean:
	$(RM) $(TARGET) $(OBJ) image.png