From: Bernie Innocenti Date: Sat, 8 Jul 2017 01:21:29 +0000 (-0400) Subject: Move shaders and textures into subdirectories. X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;ds=sidebyside;h=147dc8ea810d9be0f965b1b80a208956f944d7fc;hp=be535251d3c2b9b8634a8f3e56581a2d05f248d3;p=mandelwow.git Move shaders and textures into subdirectories. --- diff --git a/shaders/mandelwow.frag b/shaders/mandelwow.frag new file mode 100644 index 0000000..0551a34 --- /dev/null +++ b/shaders/mandelwow.frag @@ -0,0 +1,25 @@ +#version 100 +precision highp float; +varying vec2 c; +varying vec2 z; + +void main() { + float zx = z.x; + float zy = z.y; + const int maxiter = 64; + for (int iter = maxiter; iter > 0; iter--) { + float zx2 = zx * zx; + float zy2 = zy * zy; + if (zx2 * zy2 > 4.0) { + float index = float(iter) / float(maxiter); + gl_FragColor = vec4(index, 0.1, 1.0 - index / 2.0, 0.8 - index * index); + return; + } + zy = zx * zy * 2.0 + c.y; + zx = zx2 - zy2 + c.x; + } + gl_FragColor = vec4((sin(z.y) + 1.0) / 4.0, + (sin(z.x) + 1.0) / 4.0, + (sin(c.x) + 1.0) / 4.0, + 1.0); +} diff --git a/shaders/mandelwow.vert b/shaders/mandelwow.vert new file mode 100644 index 0000000..0e67eda --- /dev/null +++ b/shaders/mandelwow.vert @@ -0,0 +1,15 @@ +#version 100 +uniform mat4 perspective; +uniform mat4 view; +uniform mat4 model; +uniform vec2 z0; +attribute mediump vec3 position; +varying mediump vec2 c; +varying mediump vec2 z; + +void main() { + mat4 modelview = view * model; + gl_Position = perspective * modelview * vec4(position, 1.0); + c = vec2(position.x, position.y); + z = vec2(z0.x, z0.y); +} diff --git a/shaders/shaded.frag b/shaders/shaded.frag new file mode 100644 index 0000000..492644f --- /dev/null +++ b/shaders/shaded.frag @@ -0,0 +1,9 @@ +#version 300 es +precision lowp float; + +flat in vec4 color; +out vec4 color_out; + +void main() { + color_out = color; +} diff --git a/shaders/shaded.vert b/shaders/shaded.vert new file mode 100644 index 0000000..c7c7fa1 --- /dev/null +++ b/shaders/shaded.vert @@ -0,0 +1,24 @@ +#version 300 es +precision lowp float; + +in vec3 position; +in vec3 normal; +flat out vec4 color; // Shaded color + +uniform mat4 model; +uniform mat4 perspview; +uniform vec3 col; + +void main() { + mat4 m = perspview * model; + vec3 dark = col * 0.1; + vec3 u_light = vec3( 0.5, -0.7, -0.6); + vec3 v_normal = transpose(inverse(mat3(model))) * normal; + + float distance = model[3][2]; + float attenuation = 1. / (1. + distance * distance * 0.05); + float brightness = max(dot(normalize(v_normal), normalize(u_light)) * attenuation, 0.0); + color = vec4(mix(dark, col, brightness), 1.0); + + gl_Position = m * vec4(position, 1.0); +} diff --git a/shaders/solid.frag b/shaders/solid.frag new file mode 100644 index 0000000..2fed3bf --- /dev/null +++ b/shaders/solid.frag @@ -0,0 +1,8 @@ +#version 300 es +precision lowp float; + +out vec4 color; + +void main() { + color = vec4(1.0, 1.0, 1.0, 1.0); +} diff --git a/shaders/solid.vert b/shaders/solid.vert new file mode 100644 index 0000000..6dd30a4 --- /dev/null +++ b/shaders/solid.vert @@ -0,0 +1,12 @@ +#version 300 es +precision lowp float; + +in vec3 position; +uniform mat4 perspective; +uniform mat4 view; +uniform mat4 model; + +void main() { + mat4 modelview = view * model; + gl_Position = perspective * modelview * vec4(position, 1.0); +} diff --git a/textures/c64-font-color.png b/textures/c64-font-color.png new file mode 100644 index 0000000..61d5e56 Binary files /dev/null and b/textures/c64-font-color.png differ diff --git a/textures/c64-font.gray b/textures/c64-font.gray new file mode 100644 index 0000000..ab49a6b Binary files /dev/null and b/textures/c64-font.gray differ diff --git a/textures/c64-font.png b/textures/c64-font.png new file mode 100644 index 0000000..4342a5d Binary files /dev/null and b/textures/c64-font.png differ