strings

examples/28-sdl-graphics.sx

@@ -142,9 +142,45 @@ main :: () {
     glDepthFunc(GL_LESS);
 
     // Shaders
-    vert_src : [:0]u8 = "#version 330 core\nlayout (location = 0) in vec3 aPos;\nlayout (location = 1) in vec3 aNormal;\nuniform mat4 uMVP;\nout vec3 vNormal;\nout vec3 vPos;\nvoid main() {\n    gl_Position = uMVP * vec4(aPos, 1.0);\n    vNormal = aNormal;\n    vPos = aPos;\n}\n";
+    vert_src : [:0]u8 = #string GLSL
+#version 330 core
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aNormal;
+uniform mat4 uMVP;
+out vec3 vNormal;
+out vec3 vPos;
+void main() {
+    gl_Position = uMVP * vec4(aPos, 1.0);
+    vNormal = aNormal;
+    vPos = aPos;
+}
+GLSL;
 
-    frag_src : [:0]u8 = "#version 330 core\nin vec3 vNormal;\nin vec3 vPos;\nout vec4 FragColor;\nuniform vec3 uLightDir;\nuniform float uWire;\nvoid main() {\n    if (uWire > 0.5) {\n        FragColor = vec4(0.05, 0.05, 0.05, 1.0);\n        return;\n    }\n    vec3 n = normalize(vNormal);\n    vec3 l = normalize(uLightDir);\n    float diff = max(dot(n, l), 0.15);\n    float cx = floor(vPos.x * 2.0 + 0.001);\n    float cy = floor(vPos.y * 2.0 + 0.001);\n    float cz = floor(vPos.z * 2.0 + 0.001);\n    float check = mod(cx + cy + cz, 2.0);\n    vec3 col1 = vec3(0.9, 0.5, 0.2);\n    vec3 col2 = vec3(0.2, 0.6, 0.9);\n    vec3 base = mix(col1, col2, check);\n    FragColor = vec4(base * diff, 1.0);\n}\n";
+    frag_src : [:0]u8 = #string GLSL
+#version 330 core
+in vec3 vNormal;
+in vec3 vPos;
+out vec4 FragColor;
+uniform vec3 uLightDir;
+uniform float uWire;
+void main() {
+    if (uWire > 0.5) {
+        FragColor = vec4(0.05, 0.05, 0.05, 1.0);
+        return;
+    }
+    vec3 n = normalize(vNormal);
+    vec3 l = normalize(uLightDir);
+    float diff = max(dot(n, l), 0.15);
+    float cx = floor(vPos.x * 2.0 + 0.001);
+    float cy = floor(vPos.y * 2.0 + 0.001);
+    float cz = floor(vPos.z * 2.0 + 0.001);
+    float check = mod(cx + cy + cz, 2.0);
+    vec3 col1 = vec3(0.9, 0.5, 0.2);
+    vec3 col2 = vec3(0.2, 0.6, 0.9);
+    vec3 base = mix(col1, col2, check);
+    FragColor = vec4(base * diff, 1.0);
+}
+GLSL;
 
     program : u32 = create_program(vert_src, frag_src);
     glUseProgram(program);