SHADER模块整理，初始化代码移至main

parts/backgrounds/aura.lua

@@ -2,22 +2,23 @@
 local gc=love.graphics
 local rnd=math.random
 local back={}
-
+local shader=SHADER.aura
 local t
+
 function back.init()
 	t=rnd()*2600
 	BG.resize(SCR.w,SCR.h)
 end
 function back.resize(_,h)
-	SHADER.aura:send("w",SCR.W)
-	SHADER.aura:send("h",h*SCR.dpi)
+	shader:send("w",SCR.W)
+	shader:send("h",h*SCR.dpi)
 end
 function back.update(dt)
 	t=t+dt
 end
 function back.draw()
-	SHADER.aura:send("t",t)
-	gc.setShader(SHADER.aura)
+	shader:send("t",t)
+	gc.setShader(shader)
 	gc.rectangle("fill",0,0,SCR.w,SCR.h)
 	gc.setShader()
 end

parts/backgrounds/bg1.lua

@@ -2,6 +2,7 @@
 local gc=love.graphics
 local rnd=math.random
 local back={}
+local shader=SHADER.grad1
 
 local t
 function back.init()
@@ -9,14 +10,14 @@ function back.init()
 	BG.resize()
 end
 function back.resize()
-	SHADER.gradient1:send("w",SCR.W)
+	shader:send("w",SCR.W)
 end
 function back.update(dt)
 	t=t+dt
 end
 function back.draw()
-	SHADER.gradient1:send("t",t)
-	gc.setShader(SHADER.gradient1)
+	shader:send("t",t)
+	gc.setShader(shader)
 	gc.rectangle("fill",0,0,SCR.w,SCR.h)
 	gc.setShader()
 end

parts/backgrounds/bg2.lua

@@ -2,6 +2,7 @@
 local gc=love.graphics
 local rnd=math.random
 local back={}
+local shader=SHADER.grad2
 
 local t
 function back.init()
@@ -9,14 +10,14 @@ function back.init()
 	BG.resize(nil,SCR.h)
 end
 function back.resize(_,h)
-	SHADER.gradient2:send("h",h*SCR.dpi)
+	shader:send("h",h*SCR.dpi)
 end
 function back.update(dt)
 	t=t+dt
 end
 function back.draw()
-	SHADER.gradient2:send("t",t)
-	gc.setShader(SHADER.gradient2)
+	shader:send("t",t)
+	gc.setShader(shader)
 	gc.rectangle("fill",0,0,SCR.w,SCR.h)
 	gc.setShader()
 end

parts/backgrounds/rainbow.lua

@@ -2,6 +2,7 @@
 local gc=love.graphics
 local rnd=math.random
 local back={}
+local shader=SHADER.rgb1
 
 local t
 function back.init()
@@ -9,15 +10,15 @@ function back.init()
 	BG.resize(SCR.w,SCR.h)
 end
 function back.resize(_,h)
-	SHADER.rgb1:send("w",SCR.W)
-	SHADER.rgb1:send("h",h*SCR.dpi)
+	shader:send("w",SCR.W)
+	shader:send("h",h*SCR.dpi)
 end
 function back.update(dt)
 	t=t+dt
 end
 function back.draw()
-	SHADER.rgb1:send("t",t)
-	gc.setShader(SHADER.rgb1)
+	shader:send("t",t)
+	gc.setShader(shader)
 	gc.rectangle("fill",0,0,SCR.w,SCR.h)
 	gc.setShader()
 end

parts/backgrounds/rainbow2.lua

@@ -2,6 +2,7 @@
 local gc=love.graphics
 local rnd=math.random
 local back={}
+local shader=SHADER.rgb2
 
 local t
 function back.init()
@@ -9,15 +10,15 @@ function back.init()
 	BG.resize(SCR.w,SCR.h)
 end
 function back.resize(_,h)
-	SHADER.rgb2:send("w",SCR.W)
-	SHADER.rgb2:send("h",h*SCR.dpi)
+	shader:send("w",SCR.W)
+	shader:send("h",h*SCR.dpi)
 end
 function back.update(dt)
 	t=t+dt
 end
 function back.draw()
-	SHADER.rgb2:send("t",t)
-	gc.setShader(SHADER.rgb2)
+	shader:send("t",t)
+	gc.setShader(shader)
 	gc.rectangle("fill",0,0,SCR.w,SCR.h)
 	gc.setShader()
 end

parts/shaders/alpha.glsl

@@ -0,0 +1,4 @@
+extern float a;
+vec4 effect(vec4 color,Image text,vec2 pos,vec2 scr_pos){
+	return vec4(1.,1.,1.,sign(Texel(text,pos).a)*a);
+}

parts/shaders/aura.glsl

@@ -0,0 +1,42 @@
+#define PI 3.1415926535897932384626
+extern float w,h;
+extern float t;
+vec4 effect(vec4 color,Image text,vec2 pos,vec2 scr_pos){
+	float x=scr_pos.x/w;
+	float y=scr_pos.y/h;
+	float dx,dy;
+	vec3 V=vec3(0.);
+
+	dx=0.5+cos(t*3.*0.26)*0.4-x;
+	dy=0.5-sin(t*3.*0.62)*0.4-y;
+	dx=sqrt(dx*dx+dy*dy);
+	V.r=V.r+smoothstep(1.26,0.,dx);
+
+	dx=(0.5+cos(t*3.*0.32)*0.4)-x;
+	dy=(0.5-sin(t*3.*0.80)*0.4)-y;
+	dx=sqrt(dx*dx+dy*dy);
+	V.g=V.g+smoothstep(1.26,0.,dx);
+
+	dx=(0.5-cos(t*3.*0.49)*0.4)-x;
+	dy=(0.5+sin(t*3.*0.18)*0.4)-y;
+	dx=sqrt(dx*dx+dy*dy);
+	V.b=V.b+smoothstep(1.26,0.,dx);
+
+	dx=(0.5+cos(t*0.53)*0.4)-x;
+	dy=(0.5-sin(t*0.46)*0.4)-y;
+	dx=sqrt(dx*dx+dy*dy);
+	V.rg+=vec2(smoothstep(0.626,0.,dx));
+
+	dx=(0.5+cos(t*0.98)*0.4)-x;
+	dy=(0.5+sin(t*0.57)*0.4)-y;
+	dx=sqrt(dx*dx+dy*dy);
+	V.rb+=vec2(smoothstep(0.626,0.,dx));
+
+	dx=(0.5-cos(t*0.86)*0.4)-x;
+	dy=(0.5-sin(t*0.32)*0.4)-y;
+	dx=sqrt(dx*dx+dy*dy);
+	V.gb+=vec2(smoothstep(0.626,0.,dx));
+
+	dx=1.626*max(max(V.r,V.g),V.b);
+	return vec4(V/dx,1.);
+}

parts/shaders/grad1.glsl

@@ -0,0 +1,10 @@
+extern float t,w;
+vec4 effect(vec4 color,Image text,vec2 pos,vec2 scr_pos){
+	float x=scr_pos.x/w;
+	return vec4(
+		.8-x*.6,
+		.3+.2*sin(t),
+		.15+x*.7,
+		1.
+	);
+}

parts/shaders/grad2.glsl

@@ -0,0 +1,10 @@
+extern float t,h;
+vec4 effect(vec4 color,Image text,vec2 pos,vec2 scr_pos){
+	float y=scr_pos.y/h;
+	return vec4(
+		.8-y*.6,
+		.2+y*.4,
+		.3+.1*sin(t),
+		1.
+	);
+}

parts/shaders/rgb1.glsl

@@ -0,0 +1,11 @@
+extern float t,w,h;
+vec4 effect(vec4 color,Image text,vec2 pos,vec2 scr_pos){
+	float x=scr_pos.x/w;
+	float y=scr_pos.y/h;
+	return vec4(
+		.8-y*.7+.2*sin(t/6.26),
+		.2+y*.5+.15*sin(t/4.),
+		.2+x*.6-.1*sin(t/2.83),
+		1.
+	);
+}

parts/shaders/rgb2.glsl

@@ -0,0 +1,11 @@
+extern float t,w,h;
+vec4 effect(vec4 color,Image text,vec2 pos,vec2 scr_pos){
+	float x=scr_pos.x/w;
+	float y=scr_pos.y/h;
+	return vec4(
+		.8-y*.8-.1*sin(t/6.26),
+		.4+.1*sin(t/4.)*(y+2.)/(y+5.),
+		abs(.7-x*1.4+y*.5*sin(t/16.)),
+		1.
+	);
+}

parts/shaders/warning.glsl

@@ -0,0 +1,8 @@
+extern float w,h;
+extern float level;
+vec4 effect(vec4 color,Image text,vec2 pos,vec2 scr_pos){
+	float dx=abs(scr_pos.x/w-0.5);
+	float dy=abs(scr_pos.y/h-0.5);
+	float a=(max(dx*2.6,dy*1.8)-.626)*level;
+	return vec4(1.,0.,0.,a);
+}