OS := $(shell uname)

NAME=$(shell pwd | sed "s/.*\///g")

ifeq (${OS},Darwin)
	CC=clang++
	FLAGS=-std=c++11 -stdlib=libc++
	RUN=${NAME}
else ifeq (${OS},Linux)
	CC=g++
	FLAGS=-std=c++11 -pthread
	RUN=${NAME}
	FILES=$(shell find -name *.cpp)
else
		CC=g++
		FLAGS=-std=c++11
		RUN=${NAME}.exe
		FILES=$(shell find -name *.cpp)
endif


all: clean build run images video play

build:
	${CC} ${FILES} ${FLAGS} -o bin/${RUN}

run:
	bin/./${RUN}

video:
	ffmpeg -i output/frames/image_%05d.png -c:v libx264 -vf fps=25 -pix_fmt yuv420p output/video.mp4

play:
	vlc -L output/video.mp4

images:
	mogrify -verbose -format png output/frames/*.ppm
	rm $(shell find output/frames -name "*.ppm")


clean:
	rm -f -r bin/*
	rm -f -r output/frames/*
	rm -f output/video.mp4