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- [Raymarching] Add orthographic projection.

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Tanasart 2024-07-08 12:12:45 +07:00
parent 39acafebd7
commit 533fd6ec75
5 changed files with 22 additions and 14 deletions
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datafiles/data/Theme.zip
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3
scripts/node_rm_combine/node_rm_combine.gml
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@ -7,8 +7,7 @@ function Node_RM_Combine(_x, _y, _group = noone) : Node_RM(_x, _y, _group) const
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
inputs[| 1] = nodeValue("Projection", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_button, [ "Perspective", "Orthographic" ])
.setVisible(false, false);
.setDisplay(VALUE_DISPLAY.enum_button, [ "Perspective", "Orthographic" ]);
inputs[| 2] = nodeValue("FOV", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 30)
.setDisplay(VALUE_DISPLAY.slider, { range: [ 0, 90, 1 ] });

5
scripts/node_rm_primitive/node_rm_primitive.gml
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@ -59,10 +59,9 @@ function Node_RM_Primitive(_x, _y, _group = noone) : Node_RM(_x, _y, _group) con
.setDisplay(VALUE_DISPLAY.slider);
inputs[| 13] = nodeValue("Projection", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_button, [ "Perspective", "Orthographic" ])
.setVisible(false, false);
.setDisplay(VALUE_DISPLAY.enum_button, [ "Perspective", "Orthographic" ]);
inputs[| 14] = nodeValue("Ortho Scale", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 5.)
inputs[| 14] = nodeValue("Ortho Scale", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 1.)
inputs[| 15] = nodeValue("Wave Amplitude", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, [ 4, 4, 4 ])
.setDisplay(VALUE_DISPLAY.vector);

3
scripts/node_rm_render/node_rm_render.gml
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@ -7,8 +7,7 @@ function Node_RM_Render(_x, _y, _group = noone) : Node_RM(_x, _y, _group) constr
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
inputs[| 1] = nodeValue("Projection", self, JUNCTION_CONNECT.input, VALUE_TYPE.integer, 0)
.setDisplay(VALUE_DISPLAY.enum_button, [ "Perspective", "Orthographic" ])
.setVisible(false, false);
.setDisplay(VALUE_DISPLAY.enum_button, [ "Perspective", "Orthographic" ]);
inputs[| 2] = nodeValue("FOV", self, JUNCTION_CONNECT.input, VALUE_TYPE.float, 30)
.setDisplay(VALUE_DISPLAY.slider, { range: [ 0, 90, 1 ] });

25
shaders/sh_rm_primitive/sh_rm_primitive.fsh
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@ -780,16 +780,27 @@ vec4 scene() {
mat3 camRotMatrix = rx * ry * rz;
mat3 camIrotMatrix = inverse(camRotMatrix);
float dz = 1. / tan(radians(fov) / 2.);
vec3 dir, eye;
vec2 cps = (v_vTexcoord - .5) * 2.;
cps.x *= camRatio;
vec3 dir = vec3(cps, -dz);
vec3 eye = vec3(0., 0., 5.);
cps.x *= camRatio;
if(ortho == 0) {
float dz = 1. / tan(radians(fov) / 2.);
dir = vec3(cps, -dz);
eye = vec3(0., 0., 5.);
} else if(ortho == 1) {
dir = vec3(0., 0., -1.);
eye = vec3(cps * orthoScale, 5.);
}
dir = normalize(camIrotMatrix * dir);
eye = camIrotMatrix * eye;
eye /= camScale;
eye /= camScale;
if(volumetric[0] == 1) {
float _dens = clamp(marchDensity(eye, dir), 0., 1.);